MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Beta Decay

An element X ...

Question

An element X which has 84 protons and 128 neutrons emits 4a particles and 2b-particles to become element Y. What is atomic number and mass number of Y?

A

78, 195

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

78, 196

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

80, 195

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

80, 196

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B
78, 196

Suggest Corrections

thumbs-up

0

Similar questions

_{x} A^{y}

5 α

4 β

particles to give

_{82} B^{207}

. The number of protons and neutrons in A are respectively.

Q. An atomic nucleus

A

84

128

neutrons. The nucleus

A

α

-particle and is transformed into a nucleus

B

. What is the composition of

B

?

Q. Any chemical element (X) can be represented as

_{Z} X^{A}

where ‘Z’ is the atomic number and ‘A’ is the mass number. The Atomic number refers to the number of protons and the mass number refers to the sum of protons and neutrons in an atom. For an element, calcium which has 20 protons and 20 neutrons, identify the correct representation.

Q. A radioactive element

Y

emits an alpha particle and a beta particle successively and changes into an element

_{82} X^{206}

. Find the atomic mass and atomic number of radioactive element

Y

.

Q. A radio nucleus

_{Z} X^{A}

emits an alpha particle and becomes Y. Mention the atomic number and mass number of Y. What do you call the conversion of one element into another element?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Beta decay

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard X Physics

Join BYJU'S Learning Program

CrossIcon