Chemistry-1

Front

What is the charge of a neutron?

Back

Neutrons are neutral particles, meaning they have no charge.

Front

What is the maximum number of electrons in the first shell of an atom?

Back

The maximum number of electrons in the first shell is 2.

Front

What distinguishes Carbon-12 from Carbon-13?

Back

Carbon-13 has one more neutron than Carbon-12.

Front

Which subatomic particle determines the identity of an element?

Back

The proton determines the identity of an element.

Front

What is the charge of a proton?

Back

Protons have a positive charge.

Front

How do you calculate the number of neutrons in an atom?

Back

Number of neutrons = Atomic mass - Atomic number.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

What is the role of electrons in an atom?

Back

Electrons are responsible for chemical bonding and reactions.

Front

What is the maximum number of electrons in the second shell of an atom?

Back

The maximum number of electrons in the second shell is 8.

Front

What is an isotope?

Back

Isotopes are atoms of the same element with different numbers of neutrons.