The Atom
Bonding
Acids & Bases
Nuclear Chemistry
Physical Behavior of Matter
100

The atomic number is

What is the number of protons of an atom?
100

In covalent bonds valence electrons are 

What is shared?

100
Reacting with water, acids release

What are hydrogen ions (H+)?

100
Nuclear fusion is

What is two smaller nuclei combining to create a larger nuclei?

100

The three phases of matter are

What are gas, liquid, and solid?

200
The nucleus consist of

What are protons and neutrons?

200

Ionic bonds are between ___ and ___

What is a metal and a non-metal?

200

When reacting with water, Bases release

What are hydroxide ions (OH-)?

200

Nuclear fission is

What is one large nucleus splitting into two smaller nuclei?

200

Condensation is

What is a gas turning into a liquid?

300
The first model of the atom was created by

Who is John Dalton?

300

__ valence electrons are needed to make the atom stable

What is eight?

300

Acidity means the concentration of __ > __

What is H+>OH-

300

Half-life is

What is the time it takes half the atoms in an element to decay?

300

Vaporization is

What is when liquid turns into a gas?

400

An element is

What is a substance that can't be decomposed into a simpler substance chemically?
400

The removal of heat is

What is exothermic?

400

Alkalinity means the concentration of __>__

What is OH->H+?

400

An alpha particle is identical to a 

What is a helium nucleus? 

400

Deposition is

What is when gas turns directly into a solid?

500
An isotope is 

What is an element that has a different number of neutrons?

500

Electronegativity is

What is the measure of an atom's tendency to attract electrons to predict what bond will form?

500

___ is created when a metal reacts to an acid.

What is salt?

500

Unstable nucleus cause

What is radiation?

500

Sublimation is

What is when solid turns directly into a gas?