CA 1 Reteach

CA 1 Reteach

Multiple Choice

How many elements are in C₆H₁₂O₆?

• 1
• 2
• 3
• 4

Multiple Choice

How many Oxygen are in H₂O?

• 1
• 2
• 0
• 4

Multiple Choice

How many Magnesium are in 10MgCl₂?

• 10
• 5
• 20

Multiple Choice

A subscript is the small number below a(n) ________ that tells the number of _______ of that element.

• element symbol; atoms
• compound; element symbol

• subscript; molecules

• coefficient, elements

Multiple Choice

Which one is the coefficient 4H₂O?

• 4

• H

• 2

• O

Open Ended

What is the difference between Co₃ and CO₃?

Multiple Choice

In a reaction A + B ----> C,  reactant A has 5g and product  C has 9g. How many grams should reactant B have? 

• 4g
• 5g
• 9g
• 14g

Multiple Choice

4 grams of hydrogen and 32 grams of oxygen will combine to form:

• 36 grams of water

• 28 grams of hydroxide

• 32 grams of oxygen

• 36 grams of deuterium

Metal nonmetals
Metalloids

Multiple Choice

Which elements are to the right of the zig zag?

• metals

• nonmetals

• metalloids

Multiple Choice

Which shaded area contains elements that are shiny, malleable solids?

Multiple Choice

Elements that are normally in a gas form, that are dull, brittle, and poor conductors

• Metals

• Nonmetals

• Metalloids

• Solids

Physical vs. Chemical Changes

Multiple Choice

During Chemical Reactions, the new substances created are called?

• Precipitate

• Corrosion

• Reactants

• Products

Multiple Choice

Identify what type of change happening in the picture below...

• Chemical Change

• Physical Change

• Endothermic Reaction

• Exothermic Reaction

Multiple Choice

Identify what type of change happening in the picture below...

• Chemical Change

• Physical Change

• Endothermic Reaction

• Exothermic Reaction

Multiple Choice

A physical change can sometimes result in a color change. Which of the following situations show this?

• Milk turns yellow when it spoils.
• Dough becomes darker when it is baked into cake.
• A red candy dissolves and turns water pink.
• A match turns black when it is burned.