Isotopes, Isobar and Isotones

Isotopes are having same number of _________number but different ___________number.

• Atomic, mass

• Mass, atomic

• Electron, proton

• neutron, proton

Cl-35 and Cl-37 are the pairs of ______________.

• Isobars

• Isotopes

• Isotones

• Isodiaphers

What is atomic number of phosphourous?

• 11

• 14

• 15

• 10

Tags

NGSS.HS-PS1-1

In neutral atom, number of electron will be equal to number of________.

• proton and neutron both

• neutron

• none of these

• proton

Number of electron present in Phosphide ion.

• 15

• 12

• 18

• 20

Number of neutron in aluminium will be ____ if mass number of Al is 27.

• 12

• 14

• 13

• 15

Tags

NGSS.MS-PS1-1

Number of neutrons in Phosphide ion will be _______ if the mass number of phosphorous is 31.

• 18

• 17

• 15

• 16

Molecule of sulphur contains _____ atoms of sulphur.

• 8

• 2

• 6

• 1

Tags

NGSS.MS-PS1-1

The colour of Bromine is _______.

• Yellow

• no colour

• Red

• Blue

Atomic number denoted by the ___________.

• A

• M

• P

• Z