Periodic Table & Bonding Challenge

Is hydrogen considered a metal or a non-metal?

• A metal
• Nonmetal
• Metalloid

Tags

NGSS.HS-PS1-1

What is a valence electron?

• The sum of neutrons and protons.
• The # of electrons in the last shell.
• A type of bond.
• A popular compound.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Same repel, opposites

• avoid
• attract
• push
• pull

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

Atoms are most stable when their outer shell is complete.

• true
• false

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Why do elements bond?

• To be friends
• To create a new element
• To become stable

Tags

NGSS.HS-PS1-4

Two or more atoms held together by a chemical bond is called what?

• A molecule
• A molecure

Tags

NGSS.MS-PS1-1

An electron has what kind of charge?

• no charge
• positive 
• negative
• it depends

Tags

NGSS.HS-PS2-4

Atoms that gain electrons become...

• negatively charged
• positively charged
• remain neutrally charged
• 21

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many Aluminum atoms are in Al₂O₃?

• 3

• 5

• 2

• 1

Tags

NGSS.MS-PS1-1

Write the correct formula for Sodium Chloride.

• SC

• SCl

• NaCl

• NaCl₂

Tags

NGSS.MS-PS1-1