science !!!

polyatomic atoms

100

OH

What is Hydroxide?

200

SO^2-₄

What is Sulfate?

300

CIO^-₂

What is Chlorite?

400

C₂H₃O^-₂

What is Acetate?

500

MnO^-₄

What is Permanganate

balance them

100

H2 +    O2  --->     H2O    

2H2 +    1O2  --->     2H2O    

200

Al+HCl2 --> AlCl3 + H2

what is  4Al+6HCl2 --> 4AlCl3 + 3H2

300

CH4 +    O2  --->    CO2  +    H2O

what is  CH4 +    2O2  --->    CO2  +    2H2O

400

BaCl2 +    H2SO4  --->    BaSO4 +   HCl

what is BaCl2 +    H2SO4  --->    BaSO4 +   2HCl

500

Mg  +    HCl  --->     MgCl2 +   H2

what is  Mg  +    2HCl  --->     MgCl2 +   H2

ionic or covalent?

100

A metal and non-metal

 What is Ionic

200

Hydrogen+Flourine

What is Covalent

300

Radium+Sulfur

What is Ionic

400

Carbon gas

What is Covalent

500

Francium+Selenium

What is Ionic

physical or chemical

100

odor change

What is chemical

200

matter change

What is physical change

300

emitting light

chemical

400

bubbles

What is chemical

500

color change

What is physical 

chemical equations

100

Aluminum Chloride

AlCl₃

200

Carbon Monoxide

CO

300

Dihydrogen Monoxide

H2O

400

Hydrogen Dioxide

HO2

500

Potassium Dichromate

K2Cr 2O7