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

• groups

• towers

• periods

• atomic numbers

What does the atomic mass tell you?

• Basically,the number of electrons and protons

• The number of neutrons

• Basically, the number of protons and neutrons

• The number of protons.

The atomic number of this pictured element is

• 28
• 58.6934
• Ni
• Nickel

The atoms along the staircase are called 

• metals
• nonmetals
• metalloids
• noble gases

What does the 6 represent?

• atomic mass
• atomic number
• element name
• chemical symbol 

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

• groups

• towers

• periods

• atomic numbers

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

• groups

• families

• periods

• atomic numbers

the positively charged subatomic particle contained in the nucleus of an atom

• proton

• neutron

• electron

• matter

a negatively charged subatomic particle that orbits the nucleus of an atom

• proton

• neutron

• electron

• matter

What does the atomic mass tell you?

• Basically,the number of electrons and protons

• The number of neutrons

• Basically, the number of protons and neutrons

• The number of protons.