45 + Mcqs in Atomic Structure in SRMJEEE Page 1 McqOptions

1.	Protons (p+) and neutrons (n0) constitute the
A.	nucleus
B.	nucleon
C.	orbital
D.	diameter
Answer» C. orbital

Discussion

2.	Major part of an atom is
A.	electric field
B.	space
C.	nucleus
D.	orbital
Answer» C. nucleus

Discussion

3.	Neutrons (n0) are neutral and carry
A.	positive charge
B.	negative charge
C.	no charge
D.	high voltage
Answer» D. high voltage

Discussion

4.	Atom of aluminum (Al) has number of neutrons (n0)
A.	13
B.	27
C.	14
D.	13
Answer» D. 13

Discussion

5.	Mass number is the
A.	atomic number
B.	nucleon number
C.	proton number
D.	neutron number
Answer» C. proton number

Discussion

6.	Number of electrons (e-) are always equal to number of protons(p+) in a
A.	neutral atom
B.	positive ion
C.	negative ion
D.	isotope
Answer» B. positive ion

Discussion

7.	Specific radioactive isotopes are used for
A.	leakage check
B.	check thyroid activity
C.	treat some types of cancer
D.	All of Above
Answer» E.

Discussion

8.	Hydrogen has a number of isotopes
A.	2
B.	1
C.	3
D.	11
Answer» D. 11

Discussion

9.	Most composition of sun is mainly
A.	oxygen and hydrogen
B.	hydrogen
C.	hydrogen and helium
D.	helium
Answer» D. helium

Discussion

10.	Protons are deflected from anode which reveals their
A.	positive charge
B.	negative charge
C.	neutral charge
D.	all
Answer» B. negative charge

Discussion

11.	1.67*10-27kg is weight of single atom of
A.	oxygen
B.	nitrogen
C.	hydrogen
D.	water
Answer» D. water

Discussion

12.	Attractions of electrons towards anode shows
A.	electrons are negatively charged
B.	electrons carry very small mass
C.	both A and B
D.	electrons carry more mass than protons
Answer» D. electrons carry more mass than protons

Discussion

13.	Charge to mass ratio was first calculated by
A.	J.J.Thomas
B.	Thomas Edison
C.	J.K Thomas
D.	A.Einstein
Answer» B. Thomas Edison

Discussion

14.	Beam of electrons can be produced with help of
A.	anode-ray tube
B.	cathode-ray tube
C.	inert-ray tube
D.	bi-charged-ray tube
Answer» C. inert-ray tube

Discussion

15.	Elements which are found on their own in nature as free elements are
A.	gold and silver
B.	coal and gold
C.	nitrogen and gold
D.	gold and mercury
Answer» D. gold and mercury

Discussion

16.	Number of atoms in same element has same number of
A.	protons
B.	electrons
C.	neutrons
D.	All of Above
Answer» B. electrons

Discussion

17.	Particular element posses same number of electrons hence have same
A.	chemical properties
B.	physical properties
C.	density
D.	All of Above
Answer» B. physical properties

Discussion

18.	Number of protons and number of electrons are always equal in
A.	neutral atom
B.	molecules
C.	ions
D.	compounds
Answer» B. molecules

Discussion

19.	By chemical means chemical elements cannot be broken down into
A.	metals
B.	non-metals
C.	smaller substances
D.	metalloids
Answer» D. metalloids

Discussion

20.	Every substance in our world is made up of
A.	matter
B.	electrons
C.	protons
D.	chemical elements
Answer» E.

Discussion

21.	Pathway of electron is called
A.	orbit
B.	orbital
C.	axis
D.	electric path
Answer» C. axis

Discussion

22.	Number of proton, neutron and electron in sulfide ion is respectively
A.	16,17 and 18
B.	17,16 and 18
C.	18,17 and 16
D.	18,16 and 17
Answer» B. 17,16 and 18

Discussion

23.	Particles which revolve around nucleus are called
A.	proton
B.	electrons
C.	neutron
D.	All of Above
Answer» C. neutron

Discussion

24.	When electrons are passed through electromagnetic field, electrons are deflected away from
A.	positive plate
B.	negative plate
C.	neutral plate
D.	oxidation plate
Answer» C. neutral plate

Discussion

25.	Proton number is denoted by symbol
A.	A
B.	Z
C.	P
D.	N
Answer» C. P

Discussion

26.	Elements which have same number of protons but different number of neutrons are called as
A.	isotopes
B.	isomers
C.	allotropes
D.	allomers
Answer» B. isomers

Discussion

27.	Hydrogen atom has an approximate diameter of
A.	10-9m
B.	10-10m
C.	9-10m
D.	10-11m
Answer» B. 10-10m

Discussion

28.	Sum of protons and neutrons in an atom gives off
A.	nucleon number
B.	mass number
C.	atomic number
D.	both A and B
Answer» E.

Discussion

29.	By exposure of electrons beams on atoms and observing their behavior upon fall of beam can help to determine
A.	charge
B.	weight
C.	length
D.	all
Answer» B. weight

Discussion

30.	An Electric field deflects beams of
A.	protons
B.	electrons
C.	neutrons
D.	both A and B
Answer» E.

Discussion

31.	Chemical elements are represented by Greek or Latin
A.	alphabets
B.	symbols
C.	gods
D.	illusions
Answer» C. gods

Discussion

32.	Number of times a p+ is heavier than an e- is
A.	18 times
B.	184 times
C.	200 times
D.	1840 times
Answer» E.

Discussion

33.	Smallest particle of an element which can take part in any chemical change is know as a/an
A.	nucleus
B.	atom
C.	proton
D.	neutron
Answer» C. proton

Discussion

34.	A covalent bond is also called as ____
A.	Atomic bond
B.	Metal bond
C.	Molecular bond
D.	Metal bond
Answer» D. Metal bond

Discussion

35.	Electrons that orbit outermost shell of an atom are called?
A.	Valence electrons
B.	Electrons
C.	Electron Coefficients
D.	Neutrons
Answer» B. Electrons

Discussion

36.	What is the time during which one half of a number of radioactive species decays or one half of their activity ceases?
A.	Half Life
B.	Super critical state
C.	Semi life
D.	Critical life
Answer» B. Super critical state

Discussion

37.	The net neutrons produced per initial neutron accounting for all possible losses is called?
A.	Bombardment
B.	Half life
C.	Multiplication factors
D.	Covalent bond
Answer» D. Covalent bond

Discussion

38.	To disrupt a nucleus and separate in into its component nucleons, energy must be supplied from outside and this energy is called?
A.	Bonding energy
B.	Kinetic energy
C.	Binding energy
D.	Nuclear energy
Answer» D. Nuclear energy

Discussion

39.	Number of protons in the nucleus is called ___________
A.	Atomic number
B.	Mass number
C.	Electric charge
D.	Periodic number
Answer» B. Mass number

Discussion

40.	On which law is the nuclear energy explained?
A.	Einstein’s law
B.	Newton’s law
C.	Rutherford law
D.	Mendeleev law
Answer» B. Newton’s law

Discussion

41.	The atom as a whole is electrically charged.
A.	True
B.	False
Answer» C.

Discussion

42.	Nucleus consists of two sub-particles known as?
A.	Nucleotides
B.	Nucleons
C.	Neutrons
D.	Nucleosides
Answer» C. Neutrons

Discussion

43.	What is the most attractive part of nuclear energy?
A.	Supports countries development
B.	Causes no pollution
C.	Has high efficiency of energy production
D.	Is available in abundance
Answer» C. Has high efficiency of energy production

Discussion

44.	How much amount of nuclear energy burnt is equivalent to the energy produced by 3000 tonnes of coal?
A.	1kg
B.	5kg
C.	15kg
D.	20kg
Answer» B. 5kg

Discussion

45.	Why has nuclear energy become an inevitable option for the development of the country?
A.	Because less pollution caused by nuclear plant
B.	High efficiency of nuclear energy
C.	Due to acute shortage of other sources of energy
D.	High cost of energy production of other sources
Answer» D. High cost of energy production of other sources

Discussion

Explore topic-wise MCQs in SRMJEEE .

&nbsp;Protons&nbsp;(p+)&nbsp;and&nbsp;neutrons&nbsp;(n0)&nbsp;constitute&nbsp;the

Major&nbsp;part&nbsp;of&nbsp;an&nbsp;atom&nbsp;is

Neutrons&nbsp;(n0)&nbsp;are&nbsp;neutral&nbsp;and&nbsp;carry

Atom&nbsp;of&nbsp;aluminum&nbsp;(Al)&nbsp;has&nbsp;number&nbsp;of&nbsp;neutrons&nbsp;(n0)

&nbsp;Mass&nbsp;number&nbsp;is&nbsp;the

Number&nbsp;of&nbsp;electrons&nbsp;(e-)&nbsp;are&nbsp;always&nbsp;equal&nbsp;to&nbsp;number&nbsp;of&nbsp;protons(p+)&nbsp;in&nbsp;a

Specific&nbsp;radioactive&nbsp;isotopes&nbsp;are&nbsp;used&nbsp;for

Hydrogen&nbsp;has&nbsp;a&nbsp;number&nbsp;of&nbsp;isotopes

Most&nbsp;composition&nbsp;of&nbsp;sun&nbsp;is&nbsp;mainly

Protons&nbsp;are&nbsp;deflected&nbsp;from&nbsp;anode&nbsp;which&nbsp;reveals&nbsp;their

1.67*10-27kg&nbsp;is&nbsp;weight&nbsp;of&nbsp;single&nbsp;atom&nbsp;of

Attractions&nbsp;of&nbsp;electrons&nbsp;towards&nbsp;anode&nbsp;shows

Charge&nbsp;to&nbsp;mass&nbsp;ratio&nbsp;was&nbsp;first&nbsp;calculated&nbsp;by

Beam&nbsp;of&nbsp;electrons&nbsp;can&nbsp;be&nbsp;produced&nbsp;with&nbsp;help&nbsp;of

Elements&nbsp;which&nbsp;are&nbsp;found&nbsp;on&nbsp;their&nbsp;own&nbsp;in&nbsp;nature&nbsp;as&nbsp;free&nbsp;elements&nbsp;are

Number&nbsp;of&nbsp;atoms&nbsp;in&nbsp;same&nbsp;element&nbsp;has&nbsp;same&nbsp;number&nbsp;of

Particular&nbsp;element&nbsp;posses&nbsp;same&nbsp;number&nbsp;of&nbsp;electrons&nbsp;hence&nbsp;have&nbsp;same

Number&nbsp;of&nbsp;protons&nbsp;and&nbsp;number&nbsp;of&nbsp;electrons&nbsp;are&nbsp;always&nbsp;equal&nbsp;in

By&nbsp;chemical&nbsp;means&nbsp;chemical&nbsp;elements&nbsp;cannot&nbsp;be&nbsp;broken&nbsp;down&nbsp;into

&nbsp;Every&nbsp;substance&nbsp;in&nbsp;our&nbsp;world&nbsp;is&nbsp;made&nbsp;up&nbsp;of

Pathway&nbsp;of&nbsp;electron&nbsp;is&nbsp;called

Number&nbsp;of&nbsp;proton,&nbsp;neutron&nbsp;and&nbsp;electron&nbsp;in&nbsp;sulfide&nbsp;ion&nbsp;is&nbsp;respectively

Particles&nbsp;which&nbsp;revolve&nbsp;around&nbsp;nucleus&nbsp;are&nbsp;called

When&nbsp;electrons&nbsp;are&nbsp;passed&nbsp;through&nbsp;electromagnetic&nbsp;field,&nbsp;electrons&nbsp;are&nbsp;deflected&nbsp;away&nbsp;from

Proton&nbsp;number&nbsp;is&nbsp;denoted&nbsp;by&nbsp;symbol

Elements&nbsp;which&nbsp;have&nbsp;same&nbsp;number&nbsp;of&nbsp;protons&nbsp;but&nbsp;different&nbsp;number&nbsp;of&nbsp;neutrons&nbsp;are&nbsp;called&nbsp;as

Hydrogen&nbsp;atom&nbsp;has&nbsp;an&nbsp;approximate&nbsp;diameter&nbsp;of

Sum&nbsp;of&nbsp;protons&nbsp;and&nbsp;neutrons&nbsp;in&nbsp;an&nbsp;atom&nbsp;gives&nbsp;off

By&nbsp;exposure&nbsp;of&nbsp;electrons&nbsp;beams&nbsp;on&nbsp;atoms&nbsp;and&nbsp;observing&nbsp;their&nbsp;behavior&nbsp;upon&nbsp;fall&nbsp;of&nbsp;beam&nbsp;can&nbsp;help&nbsp;to&nbsp;determine

An&nbsp;Electric&nbsp;field&nbsp;deflects&nbsp;beams&nbsp;of

Chemical&nbsp;elements&nbsp;are&nbsp;represented&nbsp;by&nbsp;Greek&nbsp;or&nbsp;Latin

Number&nbsp;of&nbsp;times&nbsp;a&nbsp;p+&nbsp;is&nbsp;heavier&nbsp;than&nbsp;an&nbsp;e-&nbsp;is

Smallest&nbsp;particle&nbsp;of&nbsp;an&nbsp;element&nbsp;which&nbsp;can&nbsp;take&nbsp;part&nbsp;in&nbsp;any&nbsp;chemical&nbsp;change&nbsp;is&nbsp;know&nbsp;as&nbsp;a/an

A&nbsp;covalent&nbsp;bond&nbsp;is&nbsp;also&nbsp;called&nbsp;as&nbsp;____

Electrons&nbsp;that&nbsp;orbit&nbsp;outermost&nbsp;shell&nbsp;of&nbsp;an&nbsp;atom&nbsp;are&nbsp;called?

What&nbsp;is&nbsp;the&nbsp;time&nbsp;during&nbsp;which&nbsp;one&nbsp;half&nbsp;of&nbsp;a&nbsp;number&nbsp;of&nbsp;radioactive&nbsp;species&nbsp;decays&nbsp;or&nbsp;one&nbsp;half&nbsp;of&nbsp;their&nbsp;activity&nbsp;ceases?

The&nbsp;net&nbsp;neutrons&nbsp;produced&nbsp;per&nbsp;initial&nbsp;neutron&nbsp;accounting&nbsp;for&nbsp;all&nbsp;possible&nbsp;losses&nbsp;is&nbsp;called?

To&nbsp;disrupt&nbsp;a&nbsp;nucleus&nbsp;and&nbsp;separate&nbsp;in&nbsp;into&nbsp;its&nbsp;component&nbsp;nucleons,&nbsp;energy&nbsp;must&nbsp;be&nbsp;supplied&nbsp;from&nbsp;outside&nbsp;and&nbsp;this&nbsp;energy&nbsp;is&nbsp;called?

&nbsp;Number&nbsp;of&nbsp;protons&nbsp;in&nbsp;the&nbsp;nucleus&nbsp;is&nbsp;called&nbsp;___________

On&nbsp;which&nbsp;law&nbsp;is&nbsp;the&nbsp;nuclear&nbsp;energy&nbsp;explained?

The&nbsp;atom&nbsp;as&nbsp;a&nbsp;whole&nbsp;is&nbsp;electrically&nbsp;charged.

&nbsp;Nucleus&nbsp;consists&nbsp;of&nbsp;two&nbsp;sub-particles&nbsp;known&nbsp;as?

&nbsp;What&nbsp;is&nbsp;the&nbsp;most&nbsp;attractive&nbsp;part&nbsp;of&nbsp;nuclear&nbsp;energy?

How&nbsp;much&nbsp;amount&nbsp;of&nbsp;nuclear&nbsp;energy&nbsp;burnt&nbsp;is&nbsp;equivalent&nbsp;to&nbsp;the&nbsp;energy&nbsp;produced&nbsp;by&nbsp;3000&nbsp;tonnes&nbsp;of&nbsp;coal?

Why&nbsp;has&nbsp;nuclear&nbsp;energy&nbsp;become&nbsp;an&nbsp;inevitable&nbsp;option&nbsp;for&nbsp;the&nbsp;development&nbsp;of&nbsp;the&nbsp;country?

Protons (p+) and neutrons (n0) constitute the

Major part of an atom is

Neutrons (n0) are neutral and carry

Atom of aluminum (Al) has number of neutrons (n0)

Mass number is the

Number of electrons (e-) are always equal to number of protons(p+) in a

Specific radioactive isotopes are used for

Hydrogen has a number of isotopes

Most composition of sun is mainly

Protons are deflected from anode which reveals their

1.67*10-27kg is weight of single atom of

Attractions of electrons towards anode shows

Charge to mass ratio was first calculated by

Beam of electrons can be produced with help of

Elements which are found on their own in nature as free elements are

Number of atoms in same element has same number of

Particular element posses same number of electrons hence have same

Number of protons and number of electrons are always equal in

By chemical means chemical elements cannot be broken down into

Every substance in our world is made up of

Pathway of electron is called

Number of proton, neutron and electron in sulfide ion is respectively

Particles which revolve around nucleus are called

When electrons are passed through electromagnetic field, electrons are deflected away from

Proton number is denoted by symbol

Elements which have same number of protons but different number of neutrons are called as

Hydrogen atom has an approximate diameter of

Sum of protons and neutrons in an atom gives off

By exposure of electrons beams on atoms and observing their behavior upon fall of beam can help to determine

An Electric field deflects beams of

Chemical elements are represented by Greek or Latin

Number of times a p+ is heavier than an e- is

Smallest particle of an element which can take part in any chemical change is know as a/an

A covalent bond is also called as ____

Electrons that orbit outermost shell of an atom are called?

What is the time during which one half of a number of radioactive species decays or one half of their activity ceases?

The net neutrons produced per initial neutron accounting for all possible losses is called?

To disrupt a nucleus and separate in into its component nucleons, energy must be supplied from outside and this energy is called?

Number of protons in the nucleus is called ___________

On which law is the nuclear energy explained?

The atom as a whole is electrically charged.

Nucleus consists of two sub-particles known as?

What is the most attractive part of nuclear energy?

How much amount of nuclear energy burnt is equivalent to the energy produced by 3000 tonnes of coal?

Why has nuclear energy become an inevitable option for the development of the country?