Parts of molecules
Groups on the periodic Table
Chemical Reactions
Chemical Bonds
Chemical equations
100

The positively charge particles in the nucleus.

What are protons?

100

Metallic element that includes gold and silver.

What are noble metals?

100

A reaction in which a substance reacts with oxygen gas, releasing energy in the form of light and heat. 

What is a combustion reaction?
100

A bond form between two non-metals.

what is an ionic bond?

100

The reactants, yields, and product.

What are the 3 parts of a chemical reactions?

200

The particle of an atom that has no charge.

What are neutrons?
200

6 chemical elements in column 2 of the periodic table.

What are alkaline earth metals?

200

A reaction in which a compound breaks down into two or more simpler substances.

What is a decomposition reaction?

200

The weakest chemical bonds.

What is ionic bonds?

200

A number tell you how many of each element, chemical group or ion are present in a molecule.

What do subscripts do?

300

The negatively charge particles found outside the nucleus.

What are electrons?

300

The group on the periodic table that lacks characteristics of metals.

What are non-metals?

300

When two or more substances combine to form a single new substance.

What is a combination reaction?

300

When atoms with different electronegativities share electrons in a covalent bond.

What is a polar covalent bond?

300

A number placed in front of a chemical symbol or formula

What do coefficients do?

400

A mathematical function describing the location and wave-like behavior of an electron in an atom.

What are orbitals?

400

The six gasses with low chemical reactivity including neon and helium.

What are noble gases?

400

A reaction in which one element replaces a similar element in a compound. 

What is a single replacement reaction?

400

The strongest type of chemical bonds.

What are covalent bonds?

400

The steps is to multiply all the subscripts in the molecule by the coefficient.

How do you count atoms in a molecule?
500

The electrons on the outer orbitals of the molecule.

What are valence electrons?

500

Metals on the periodic table that includes potassium and sodium.

What are alkali metals?

500

A reaction in which the positive and negative ions of two ionic compounds exchange places to form to new compounds.

What is a double replacement reaction?

500

When atoms share electrons equally.

What is a non-polar covalent bond?

500

Add coefficient to either side of the equation.

How do you balance chemical equations?