Vocabulary
Acids and Bases
pH Scale
Chemical Reactions
Name that Reaction
100

A positively charged ion.

What is a cation?

100

Acids taste _________.

What is sour?

100

The neutral number on the pH scale.

What is 7?

100

The reaction goes from green to clear.

What is color change?

100

Na + Cl -->

What is synthesis? 
200

A negatively charged ion.

What is an anion?

200

Bases feel ________ and taste _______.

What is slippery and bitter?

200

The range of STRONG acids.

What is 0-3?

200

The use of symbols and letters to describe: Reactants --> Products

What is a chemical equation?

200

CH4 + O2 --> CO2 + H2O

What is combustion?

300

The starting materials in a chemical reaction.

What are reactants?

300

The color does blue litmus paper turns in an acid.

What is red?

300

Acid or Base: pH of 4.3.

What is an acid?

300

This type of reaction feels hot.

What is exothermic?

300

2H2O --> 2H2 + O2

What is decomposition?

400

The ending materials in chemical reactions.

What are products?

400

Bases have this pH range.

What is 7-14?

400
Weak or Strong: A base has a pH of 12.

What is strong?

400

The reaction bubbles over the container.

What is gas production?

400

HCL + NaOH --> NaCl + H2O

What is neutralization?

500

A reaction that absorbs heat.

What is an endothermic reaction?

500

Name one example of a household base OR acid?

What is _____? (baking soda/bleach/soap/lemon/vinegar).

500

True or False: A substance with pH 6 is more acidic than pH 4.

What is false?
500

A solid forms from 2 liquids.

What is a precipitate formation?

500

Zn + HCl --> ZnCl2 + H2

What is single replacement?