Chemical Equations
Balancing
Mr. Menjivar
Physical States
Throw Back Questions
100

How do you read this sign? 

"+"

Reacts with

100

What should be the first step when you balance a chemical equation?

Count the number of atoms of each element

100

Mr. Menjivar Either wears Docs or what other brand of shoes?

Vans

100

Ice becoming liquid water is called.

Melting

100

How many elements are in the periodic table of elements?

118

200

Name the one chemical reaction Mr. Menjivar kept saying he "hopes" happens in your everyday life.

Showering

200

If the number of atoms of each element on each side of the yield sign are the same, the chemical equation is ___________.

Balanced

200

Mr. Menjivar has long hair, is it down to his shoulders or longer than that?

Longer

200

What is deposition?

Gas becoming a solid.

200

What are the 3 subatomic molecules that make up an atom?

Protons, Neutrons, & Electrons

300

What is the name of your starting substance(s)?

Reactants

300

Which law do we use to justify balancing chemical equations?

Law of Conservation of Mass

300

Who is Mr. Menjivar's dog named after?

Zuko, from Avatar, the Last Air Bender

300

What are the 4 physical states we discussed in class?

Solid

Liquid

Gas

Aquoeous

300

What is the name of the electrons in the outer-most shell?

Valence Electrons

400

What is the name of your final substances?

Products

400

Which element should you try to balance last? (usually)

Oxygen

400

In what year did Mr. Menjivar graduate high school?

2016

400

What is an Aqueous Solution?

A solution in water.

400

Name the two types of bonds we talked about in class.

Ionic and Covalent

500

Read the chemical equation below.

C3H8 + 5O2 -> 3CO2 + 4H2O

Mr. Menjivar will judge this.

500

Balance this chemical equation


16, 3, 8

500

Did Mr. Menjivar go to prom this weekend?

Yes 

500

Dry ice skips the liquid stage and goes from solid to gas. This is called _________.

Sublimation

500

Name the 5 types of chemical reactions we discussed in class.

Synthesis, Decomposition, Single Replacement, Double Replacement, & Combustrion