The atomic number tells us the number of ____________?

• Neutrons
• Protons
• Electrons

Families or Groups are the vertical columns on the periodic table. How many Families/Groups are there?

• 18
• 7
• 12
• 20

The atomic mass is the ______________ + ____________ in the atom.

• neutrons + electrons
• protons + electrons
• protons + neutrons
• electrons

Tags

NGSS.MS-PS1-1

Periods are the rows of the periodic table. How many are there?

• 7 
• 18
• 12
• 20

The ______ are located on the left side of the zig-zag 'staircase' on the Periodic Table. (except for Hydrogen)

• metals

• non-metals

• metalloids

The ___________ are located on the right side of the zig-zag 'staircase' on the Periodic Table (except for Hydrogen)

• metals

• non-metals

• metalloids

The __________ are touching or bordering the zig-zag 'staircase' on the Periodic Table.

• metals

• non-metals

• metalloids

Which element is not a metal?

• W

• Re

• Al

• B

what does the 6 represent?

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

Beryllium is in group number______.

• Group 2
• Group 3
• Group 4
• Group 7