Unit 3-1 Chemical Reactions Quiz

Metals tend to 

• gain electrons
• lose electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

If my charge becomes 2+ what does that say about me?

• I am stealing 2 electrons
• I am losing 2 electrons
• I am in period 2
• I have an atomic # of 2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

If I gain electrons I become

• Positive because I've added to my atom
• negative because I've added electrons
• same because i'm balanced
• equal because now I have electrons

Tags

NGSS.HS-PS1-1

Non-Metals tend to

• gain electrons

• lose electrons

Which of the following pictures represents temperature change in a chemical reaction?

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Select the combination/synthesis reaction

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What does the law of conservation of mass mean?

• We have to conserve mass

• mass can be neither created nor destroyed in chemical reactions

• mass can be created and destroyed in chemical reactions

Using the activity series chart predict if there will be a reaction or no reaction. Aluminum metal and Hydrogen gas.

• Reaction

• No Reaction

Using the activity series chart predict if there will be a reaction or no reaction. Lead metal and aqueous gold.

• Reaction

• No Reaction

Using the activity series chart predict if there will be a reaction or no reaction. Zinc metal and aqueous lithium.

• Reaction

• No Reaction