Atomic Structure Test

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Atomic Structure Test - 1

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following properties is not exhibited by cathode rays?

A
Cathode rays travel in a straight line.

B
Cathode rays deflect towards negatively charged particles.

C
Cathode rays possess kinetic energy.

D
Cathode rays cast shadow of an object placed in their path.
Question 2
1 / -0

If gas in a discharge tube is changed, what will happen to the mass of cathode ray particles?

A
It will increase.

B
It will decrease.

C
It will remain the same.

D
It will depend upon the new gas introduced in tube.
Question 3
1 / -0

What is the charge on oxygen?

A
-2

B
+1

C
+2

D
-1
Question 4
1 / -0

What will be the mass number of an atom if the number of electrons, protons and neutrons is 8, 8 and 9, respectively?

A
16

B
20

C
18

D
17
Question 5
1 / -0

The mass of __________ is 9.107 X 10^–31 kg

A
electron

B
proton

C
neutron

D
anode rays
Question 6
1 / -0

Cathode rays possess kinetic energy due to their _________.

A
mass and velocity

B
mass

C
velocity

D
speed
Question 7
1 / -0

Find the atomic number and mass number of an element for which the numbers of protons, neutrons and electrons are 10, 12 and 10, respectively.

A
22, 10

B
12, 12

C
10, 10

D
10, 22
Question 8
1 / -0

Anode rays are so called because:
(i)         they are produced at anode
(ii)        they get deflected towards anode
(iii)       they are positively charged

A
(i) and (ii)

B
(i) and (iii)

C
(ii) and (iii)

D
(i), (ii), (iii)
Question 9
1 / -0

An atom is electrically neutral because the number of electrons present in it is

A
more than the number of protons present in it

B
more than the number of neutrons present in it

C
equal to the number of protons present in it

D
equal to the number of neutrons present in it

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Re-Attempt Weekly Quiz Competition

Atomic Structure Test - 1

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Atomic Structure Test - 1

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SHARING IS CARING

Question 1

Cathode rays travel in a straight line.

Cathode rays deflect towards negatively charged particles.

Cathode rays possess kinetic energy.

Cathode rays cast shadow of an object placed in their path.

Question 2

It will increase.

It will decrease.

It will remain the same.

It will depend upon the new gas introduced in tube.

Question 3

-2

+1

+2

-1

Question 4

16

20

18

17

Question 5

electron

proton

neutron

anode rays

Question 6

mass and velocity

mass

velocity

speed

Question 7

22, 10

12, 12

10, 10

10, 22

Question 8

(i) and (ii)

(i) and (iii)

(ii) and (iii)

(i), (ii), (iii)

Question 9

more than the number of protons present in it

more than the number of neutrons present in it

equal to the number of protons present in it

equal to the number of neutrons present in it

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