Chemistry Final Review

2H₂ + O₂ --------> 2H₂O What  are the reactants?

• ----->

• 2H₂O

• 2H₂ +O₂

Tags

NGSS.MS-PS1-2

How many TOTAL atoms are in: H₂SO₄

• 6

• 5

• 7

• 3

Tags

NGSS.MS-PS1-1

How many elements are in C₆H₁₂O₆?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

4CF₂Cl₂

• C = 4, F = 4, Cl = 2

• C = 1, F = 8, Cl = 8

• C = 4, F = 8, Cl = 8

• C = 1, F = 4, Cl = 8

Tags

NGSS.MS-PS1-1

The blue numbers in the image below represent ________

• I don't know, and don't want to try

• coefficients

• subscripts

• none of the answers are correct

The blue atoms are called 

• metals

• nonmetals

• metalloids

• noble gases

The atoms along the staircase are called 

• metals

• nonmetals

• metalloids

• noble gases

In this image, the symbols to the right of the arrow (in black) are called the_______

• Products

• Reactants

• Subscripts

• Coefficients

Tags

NGSS.MS-PS1-2

A vertical column is called...

• group

• tower

• period

• crew

What group will LOSE 2 electrons when bonding?

• Alkali

• Alikaline-earth

• Halogens

• Oxygen Group