Unit 2 Chemistry final test

Based on the image, which letter represents the symbol?

• A

• B

• C

• D

Based on the image, which letter represents the atomic weight?

• A

• B

• C

• D

Based on the image, which letter represents the element?

• C

• D

• B

• A

Tags

NGSS.MS-PS1-1

Based on the image, which letter represents the atomic number?

• B

• D

• C

• A

Tags

NGSS.MS-PS1-1

How many molecules for each element in this compound? CH4

• 2 carbon; 4 hydrogen

• 2 carbon; 2 hydrogen

• 1 carbon; 4 hydrogen

• 4 carbon; 1 hydrogen

Tags

NGSS.MS-PS1-1

Which side of this chemical formula belongs to the reactants?

• A

• B

Tags

NGSS.MS-PS1-2

Which side of this chemical formula belongs to the products?

• A

• B

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which side of this chemical formula belongs to the ammonium chloride?

• Reactants

• Product

Tags

NGSS.MS-PS1-2

Which side of this chemical formula belongs to the ammonia + hydrochloric acid?

• Reactants

• Product

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What the number 26 represents?

• Atomic weight

• Atomic mass

• Atomic number

Tags

NGSS.MS-PS1-1