04a - Introduction to Chemical Bonds

What usually forms the positive ion?

• Metal
• Non Metals
• None

What happens when the sodium atom loses an electron?

• It become negatively charged 
• It become positively charged
• none

What usually forms the negative ion?

• nonmetals
• metal
• none

Covalent compounds

• Share electrons
• transfer electrons
• contain a sea of electrons
• conduct electricity

Tags

NGSS.HS-PS1-1

What happens when an atom loses an electron?

• Neutral (no charge)
• Positive charge
• Negative charge

Tags

NGSS.HS-PS1-7

What charges attract?

• Opposite
• Same

What charges repel?

• Same
• Opposite

What elements generally make an ionic bond?

• metal and nonmetal
• 2 or more nonmetals
• metal
• none of the above

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What elements generally make a covalent bond?

• metal and nonmetal
• 2 or more nonmetals
• metal
• none of the above

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is a valence electron?

• an electron that is found in the outermost shell of an atom. 
• an electron found in the innermost shell of an atom.
• an electron found in the middle shell.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2