Final exam review

Balancing this reaction: ____ CH₄ + ____ O₂ ---> ____ CO₂ + ____ H₂O

• 2,1,3,1
• 1,2,1,2
• 1,2,2,1
• 2,1,1,2

Tags

NGSS.MS-PS1-5

How many Hydrogens are on the product side of this chemical equation?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

How many Oxygens are on the product side of this chemical equation?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Why are chemical equations always balanced? Select ALL that apply.

• Matter cannot be created.

• Matter cannot be destroyed.

• Matter can only be rearranged/conserved.

• Matter doesn't matter.

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Is this chemical equation balanced? Why or why not? Choose the BEST answer.

• Yes, the amount of atoms for each element are equal on both the reactant and product side.

• No, the carbons are not the same number on both the reactant and product side.

• No, neither the carbons or hydrogens are the same amount on both the reactant and product side.

• No, none of the elements (carbon, hydrogen, or oxygen) are the same amount on both the reactant and product side.

Tags

NGSS.MS-PS1-5

An ionic compound forms between a _______ and _______.

• metal and non-metal

• two metals

• two non-metals

Tags

NGSS.MS-PS1-1

Name the ionic compound, LiCl

• lithium chlorine

• lithium chloride

• lithium chlorate

• lithium monochloride

What is an ion?

• A Charged Atom
• A Large Atom
• A Small Atom
• A Cute Atom

Tags

NGSS.MS-PS1-1

Cations are...

• Positive
• Negative
• Neutral
• Purring

Tags

NGSS.MS-PS1-1

Anions are...

• Positive
• Negative
• Neutral
• Crying