Atoms and Chemical reaction

located in the center of the atom has NO charge

• Proton

• Neutron

• Electron

• Ion

Located around the nucleus of an atom has a negative charge

• Proton

• Neutron

• Electron

• Ion

Located in the nucleus

• protons and electrons

• neutrons and protons

• electrons and neutrons

Patterns of Valence electrons are based on the

• group that the element is

• Period that the element is in.

A bond that occurs between a metal and a nonmetal

• Covalent

• ionic

• metallic

A bond that occurs between nonmetals

• ionic

• covalent

• metallic

Why was a neutron the last part of the atom to be discovered?

• They are positive so they were difficult to discover

• They are negative so they were difficult to discover

• They are neutral so they were difficult to discover

One property of the Alkali Metals and the Alkaline Earth Metals is that they are

• not reactive

• reactive

• extremely high melting points

• good conductors

Which group of the periodic table has a stable valence electron shell of 8

• Oxygen Family

• Noble Gases

• Halogens

• Transitional Metals

All elements want ______ valence electrons except hydrogen which only wants 2

• 6

• 8

• 4

• 10