1st 9 weeks test review

Front

Sour taste, turns litmus red, reacts with metals.

Back

Acidic

Front

Mass of CO2 in the reaction: CH4 (21g) + 2O2 (12g) -> ____ + 2H2O (15g)

Back

18 grams

Front

Iron (Fe) reacts with water to form iron oxide (Fe₃O₄) and hydrogen gas (H₂). Describe the iron (Fe) reactant.

Back

element

Front

Salt is a compound, so it contains...

Back

more than one kind of atom.

Front

Determine if a substance is an element or compound:

Back

Contains more than one type of atom?

Front

Property of water enabling insects like water striders to walk on its surface.

Back

Surface tension

Front

Represents an element:

Back

Li

Front

Properties of water enabling plants to transfer water up stems:

Back

adhesion, cohesion

Front

Calcium carbonate in the stomach:

Back

neutralizes stomach acid.

Front

Atoms of lithium in Li₂C₂H₄?

Back

2