Matter Review (Big)

The vertical (up and down) columns in the Periodic Table are called

• groups

• towers

• periods

• atomic numbers

Sodium (Na) is found in period 

• 3
• 2
• 4
• 1

Sodium (Na) is found in group 

• 1
• 2
• 3
• 4

The atomic number tells you what?  READ THE ANSWERS CAREFULLY

• only the number of electrons
•  only the number of protons
• only the number of neutrons
• the number of both electrons and protons in an atom.

What does 12.011 represent?

• atomic mass
• mass number

• element name
• chemical symbol 

The horizontal (side to side) rows in the Periodic Table are called

• groups

• families

• periods

• atomic numbers

neutron

• A subatomic particle that has a positive charge and that is found in the nucleus of an atom

• not able to conduct heat or electricity, little to no metallic luster

• A subatomic particle that has a negative charge

• A small particle in the nucleus of the atom, with no electrical charge

A subatomic particle that has a positive charge and that is found in the nucleus of an atom

• Proton

• elecrtron

• groups

• neutrons

A subatomic particle that has a negative charge

• nobles gases

• protons

• electrons

• neutrons

What is the mass number of a nitrogen atom that has 8 neutrons?

• 15

• 14

• 22

• 8