Periodic Table

What family is silicon (Si) a part of?

• Metal

• Nonmetal

• Metalloid

• Halogens

How many electrons does Barium (Ba) have?

• 13

• 2

• 71

• 56

Tags

NGSS.MS-PS1-1

What is group name of the most reactive metals?

• Noble gases

• Halogens

• Alkali metals

• Alkaline earth metals

Why are halogens so reactive?

• They want to get rid of their only valance electron

• They only need one more electron

• They are non reactive, they have a full shell

• They are awesome.

How many valence electrons does a carbon atom have?

• 8

• 4

• 2

• 6

Tags

NGSS.HS-PS1-1

Which element conducts electricity the best?

• Silicon

• Fluorine

• silver

• Arsenic

Tags

NGSS.MS-PS2-3

The atomic number tells you what?

• 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 the 6 represent?

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

Tags

NGSS.MS-PS1-1

What does 12.011 represent?

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

Tags

NGSS.MS-PS1-1

Ionic bonds form between metals and ____.

• metalloids
• metals
• nonmetals