EOY Review Part 1

What molecule would this represent if the red represents oxygen and the white represents hydrogen?

• H₂0

• H₃

• H₂O₂

• HO₂

Which is the correct formula for:
 three hydrogen (H)
one sulfur (S)
four oxygen (O)

• H₃SO₄
• HSO₄
• H₄S₃O
• H₂O

Tags

NGSS.MS-PS1-1

What is a metalloid?

• It is a metal that has been changed through an unnatural process.

• It is a gas that is a good conductor of heat and electricity

• It is an element that has properties of both a metal and a nonmetal.

• They are metals that are treated as completely gas.

What are 3 characteristics of the element iron (Fe)

• It is a metal.

• They are mainly gas at room temperature.

• They are excellent conductors of heat and electricity.

• They are malleable (able to be reshaped).

When does it show the object is moving back in the direction of where it started?

• 20 to 25 seconds

• 10 to 15 seconds

• 0 to 5 seconds

• 15 to 20 seconds

How many atoms are in the equation?

• 40

• 36

• 24

• 34

What molecule would this represent if the black ball represents carbon and the red ball represents oxygen?

• C₂O

• C₂O₂

• CO₂

• CO₃

Where would kinetic energy be the greatest?

• A

• B

• C

Where would potential energy be the greatest?

• A

• B

• C

What is an element?

• A substance that is made of 1 type of atom

• The basic unit of living organisms

• A combination of multiple elements.