Chemical bonding

Why do ionic bonds form?

• so the number of protons equals the number of electrons
• to fill the outermost energy level
• so an atom can become unstable

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Atoms that lose electrons become...

• negatively charged
• postively charged
• remain neutral, no charge
• losers

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Atoms that gain electrons become...

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

Tags

NGSS.HS-PS1-1

If an aluminum atom has 13 protons (+) and 10 electrons (-), what is it's charge?

• Al³⁺
• Al¹³⁺
• Al¹⁰⁺
• Al^10-

Tags

NGSS.MS-PS1-1

Covalent bonds actually "share" electrons?

• true
• false

Tags

NGSS.MS-PS1-1

Covalent bonds are between...

• Metal and Non-metal
• Non-metal and Non-metal
• Metal and Metal

Tags

NGSS.MS-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

Ionic bonds are between...

• Metal and Non-metal
• Non-metal and Non-metal
• Metal and Metal

Tags

NGSS.HS-PS1-2

Atoms are most stable when their outer shell is complete.

• true
• false

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Where are the metalloids located on the periodic table?

• Blue
• Red
• Green

Tags

NGSS.HS-PS1-1