Chemical Bonding and Counting Atoms

How many Carbon atoms are in this compound: C₁₂H₂₂O₁₁

• 12

• 22

• 11

• 1

Tags

NGSS.MS-PS1-1

How many Oxygen atoms are in this compound: C₁₂H₂₂O₁₁

• 12

• 22

• 11

• 1

Tags

NGSS.MS-PS1-1

What are chemical bonds?

• electrical forces that hold atoms together

• electrons that are glued together

• areas between protons

• the force of gravity on an atom

Tags

NGSS.HS-PS1-3

NGSS.HS-PS1-4

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

A covalent bond forms when atoms ___________ electrons.

• gain

• share

• increase

• transfer

Which type of bond moves by giving up or transfers electron(s) from one atom to another?

• Covalent 

• chlorine

• Ionic
• hydrogen

How many molecules are in this chemical compound? 4 CO ?

• 4

• 1

• 2

• 0

Tags

NGSS.MS-PS1-1

How many valence electrons in this structure?

• 6
• 5
• 4
• 7

Tags

NGSS.HS-PS1-1

Ionic bonding occurs between ____ and _____.

• nonmetal and nonmetal

• metal and nonmetal

• metal and metal

• Depends on the situation

Predict the bond between Mg and Cl

• covalent

• ionic

• metallic

• none of the above