Chemistry

Elements

100

Name this element Co

Cobalt

200

Symbol for the element Krypton

Kr

300

Name of the element Li

lithium

400

Symbol of the element Arsenic

As

Compounds

100

Name of the compound NaF

sodium fluoride

200

Name of the compound Li₂O

lithium oxide

300

Subindex needed in the blank space for 

Ca_{[  ]} N₂

3

400

Name of the compound FeCl₂

Iron (II) chloride

Chemical equations

100

Symbol you use to separate reactants or products when there is more than 1 compound

+

200

symbol used to separate reactants from products

-->     (arrow)

300

In the following equation what are the names of the products?

C₂H₅OH + O₂  --> CO₂ + H₂O

Carbon dioxide and water

Balancing equations

100

What are the coefficients for the following equation

___V₂O₅ +___ CaS  -->___ CaO +__ V₂S₅

1,5,5,1

200

What are the coefficients for the following equation

__N₂O₃ --> __H₂O + __HNO₂

1,1,2