Periodic Table
Coefficients and Subscripts
Balanced or Not?
Chemical Reactions
Characteristics
100

This group of elements is inert because they have a full valance shell

What are Noble gases?

100

Small numbers after the chemical symbol that indicate how many of that atom are present

What is subscript?

100

Identify the reactant in the following equation:

Zn + HCl -> ZnCl2 + H2

What are Zn and HCl ?

100

A substance that is used to increase the rate of reaction

What is a catalyst?

100

A substance's ability to be hammered into a thin sheet

What is malleability?
200

This metalloid is a common poison

Arsenic

200

Whole numbers in front of molecules that are multiplied across the molecule

What are coefficients?
200

Identify the products in the following chemical equation. 

CH4 + 2O2 -> CO2 + 2H2O

What are CO2 and 2H2O?

200

A substance used to slow down the rate of reaction 

What is an inhibitor?

200

A substance's ability to be drawn into a wire

What is ductility?

300

The main products that result when a halogen bonds with an alkali metal

What is salt?
300

The number of atoms of Oxygen in the compound 2CO3

What is six?
300

Is this equation balanced? If not, balance it. 

Zn + HCl -> ZnCl2 + H2

What is Zn + 2HCl -> ZnCl2 + H2 ?

300

An increase in surface area of the reactants will cause the reaction rate to

What is increase?

300

An element that has the properties similar to both a metal and a nonmetal

What is a metalloid?

400

The force of attraction between metal atoms and the surrounding sea of electrons in transition metals

What is a metallic bond?

400

The empirical formula of C4H8O2

What is C2H4O?

400

Is the following chemical equation balanced? If not, balance it. 

CH4 + 2O2 -> CO2 + 2H2O

What is balanced?

400

A measure of the change in concentration of reactants over a period of time

What is reaction rate?

400

Stable gas that is commonly found in vibrant signs

What is Neon?

500

Highly reactive metals that are readily found in the form of ores in the Earth's crust

What are Alkali metals?
500
An expression that identifies the types and numbers of elements present in a compound

What is a chemical symbol?

500

Is the following equation balanced? If not, balance it. 

2CH4+ S8 -> 2CS2 + H2S

What is not balanced?

2CH4+ S8 -> 2CS2 + 4H2S

500

The gradual wearing away of a metal as a result of a chemical reaction that produces a metallic compound

What is corrosion?

500

Naturally occurring rock from which a useful metal or mineral can be recovered

What is an ore?

M
e
n
u