Atoms, Isotopes and Ions

Front

Two atoms of different elements will definitely have different numbers_____

Back

Protons

Front

Which particle is NOT made up of quarks? Options: Protons, Neutron, Electron

Back

Electron

Front

What is the reason for carbon's average atomic mass being 12.01? Options: Carbon-12 is the heaviest isotope, Carbon-12 is the most useful to humans, Carbon-12 is the most common isotope

Back

Carbon-12 is the most common isotope

Front

An ion forms when an atom gains or loses: Protons, Neutrons, Electrons

Back

Electrons

Front

A neutral atom would become an ion that has a charge of 2+ by

Back

Losing two electrons

Front

An alpha particle consists of

Back

2 protons and 2 neutrons

Front

Isotopes are atoms that have different

Back

Mass numbers

Front

A positively charged ion is formed when: A neutron is lost, An electron is lost, A neutron is gained, An electron is gained

Back

An electron is lost

Front

Two atoms that have different numbers of protons are

Back

Different elements

Front

If a neutral copper atom (atomic number 29) becomes an ion that has a charge of 2+, how many electrons does the resulting ion have?

Back

27