Atoms and the Periodic Table

Atoms that have the same atomic number, but different mass number

• Isotope
• Group
• Period
• Metalloid

Has properties between those of metals and non metals

• Isotope
• Group
• Period
• Metalloid

Horizontal rows on the periodic table

• Isotope
• Group
• Period
• Metalloid

Vertical columns on the periodic table

• Isotope
• Group
• Period
• Metalloid

The number of protons + the number of neutrons in the atom's nucleus

• Anion
• Cation
• Chemical Symbol
• Mass Number

Negative Ion

• Anion
• Cation
• Chemical Symbol
• Mass Number

Positive Ion

• Anion
• Cation
• Chemical Symbol
• Mass Number

One or two letters that define a chemical element

• Anion
• Cation
• Chemical Symbol
• Mass Number

Number of protons an atom contains

• Atomic Number
• Atom
• Ion
• Valence Electron

The smallest unit of matter

• Atomic Number
• Atom
• Ion
• Valence Electron