MyQuestionIcon

1

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

Structure of an Atom

A nucleus has...

Question

A nucleus has $16$ neutrons & its mass number is $31$ . The atomic number of this atom is

A

47

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

B

31

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

C

15

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

D

16

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

Open in App

Solution

The correct option is B $15$
For an atom, no of neutrons $= A - Z$
$16 = 31 - Z$
$Z = 15$

Suggest Corrections

thumbs-up

0

Similar questions

Q. A nucleus of stable phosphorus has

15

16

neutrons. What is its atomic number and mass number ?

Q. An atom has 16 neutrons in its nucleus. The atomic no. of the element is 15, the mass number of the element is :

Q. An atom has 16 neutrons in its nucleus. The atomic no. of the element is 15 and the mass number of the element is__________.

Q. A nucleus of stable phosphorus has

15

16

neutrons. The nucleus of radio phosphorus has one neutron more than the stable nucleus. What will be its atomic number and mass number ?

Q. A nucleus of stable phosphorus has 15 protons and 16 neutrons. What will be the atomic number and mass number of new nucleus formed by decay of a

β

-particle by the phosphorus nucleus?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Structure of an Atom

PHYSICS

Watch in App

explore_more_icon

Explore more

Structure of an Atom

Standard X Physics

Join BYJU'S Learning Program

CrossIcon