Ions and Isotopes

Front

An atom is considered NEUTRAL when it has the same number of _________ and __________.

Back

protons and electrons.

Front

Isotopes of the same element contain the same number of protons but different number of...

Back

neutrons.

Front

Atoms of the same element must always have the same number of _________.

Back

protons.

Front

Atoms of the SAME element but with different MASSES are called...

Back

isotopes.

Front

Which particle carries no charge (is neutral)?

Back

Neutron.

Front

What is an ion?

Back

An ion is an atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.

Front

What are cations?

Back

Cations are positively charged ions that are formed when an atom loses one or more electrons.

Front

What are anions?

Back

Anions are negatively charged ions that are formed when an atom gains one or more electrons.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

What is mass number?

Back

The mass number is the total number of protons and neutrons in an atom's nucleus.