Atomic Structure & Periodic Table

Front

What are subatomic particles found on the outermost shell responsible for the atom's reactivity?

Back

Valence electrons

Front

What are the subatomic particles with a negative charge?

Back

Electrons

Front

What are the vertical columns in the Periodic Table called?

Back

Groups

Front

Which subatomic particle has a positive charge?

Back

Proton

Front

What is the charge of a neutron?

Back

Neutrons have no charge.

Front

What is the charge of an electron?

Back

Electrons have a negative charge.

Front

What is the center of an atom called?

Back

Nucleus

Front

What are the horizontal rows in the Periodic Table called?

Back

Periods

Front

What is the mass of a proton compared to an electron?

Back

Protons are much heavier than electrons.

Front

What is an isotope?

Back

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