Nuclear Chemistry Test

Result

Nuclear Chemistry Test - 17

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Weekly Quiz Competition

Question 1
4 / -1

The atomic number of bromine is 35 and its atomic weight is 80. Two isotopes of bromine are present in equal amounts. Which of the following statement represents the correct number of neutrons?

A
1

B
2

C
3

D
4
Question 2
4 / -1

A
Isomers

B
Isotopes

C
Isobars

D
Isoelectronic
Question 3
4 / -1

A

B

C

D
Question 4
4 / -1

A
IB

B
IA

C
IIIB

D
VB
Question 5
4 / -1

During a negative β − decay

A
an atomic electron is ejected

B
an electron which is already present within the nucleus is ejected

C
a neutron in the nucleus decays emitting an electron

D
a part of binding energy of the nucleus is converted into an electron

Solution
Question 6
4 / -1

In a chain reaction,uranium atom gets fissioned forming two different materials. The total weight of these put together is

A
more than the weight of parent uranium atom

B
less than the weight of parent uranium atom

C
more or less depends upon experimental conditions

D
neither more nor less
Question 7
4 / -1

Nuclear reactions accompanied with the emission of neutron (s) is

A

B

C

D
Question 8
4 / -1

Emission of an alpha particle leads to a

A
Decrease of 2 units in the charge of the atom

B
Increase of 2 units in the mass of the atom

C
Decrease of 2 units in the mass of the atom

D
Increase of 4 units in the mass of the atom
Question 9
4 / -1

Atoms with the same mass number but having different nuclear charges are called

A
Isotopes

B
Isotones

C
Isobars

D
Isochores
Question 10
4 / -1

The fuel used in nuclear reactor is

A
heavy water

B
graphite

C
lead

D
uranium