Electron Math
Remember the Rules
Vocabulary
-ite, -ate, or -ous
Naming and Formulas: Round 2
100

The number of valence electrons in a lithium atom minus the total electrons of a hydrogen atom.

What is 0?

100

This is always named second when naming a binary ionic compound.

What is the anion (nonmetal)?

100

The kind of bond where two atoms share a pair of electrons with a difference of greater than 0.5 in their electronegativity.

What is a polar covalent bond?

100

HS

What is -ide?

100

Disulfur Dichloride

What is S2Cl2?

200

The total electrons in a magnesium atom minus the valence electrons in any halogen.

What is 5?

200

As tempting as it may be with their subscripts, remember not to put these in front of the names for ionic compounds.

What are prefixes?

200

This kind of ion is made up of more than one atom to create a single unit that has an overall positive or negative charge.

What is a polyatomic ion?

200

Sulfuric Acid

What is -ate?

200

Na3N

What is sodium nitride?

300

The number of valence electrons in a phosphorus atom divided by the number of valence electrons in a nitrogen atom.

What is 1?

300

Want to make sure your ionic compound is balanced? Use this rule to move the charges to the other ion to make sure you reach a net charge of zero.

What is the crisscross method?

300

An alloy where various atoms replace each other in the crystal structure.

What is a substitutional alloy?

300

The anion for an acid that begins with hydro-.

What is -ide?

300

Triboron Pentafluoride

What is B3F5?

400

The total number of electrons in a beryllium atom minus the total electrons in a carbon atom.

What is -2?

400

When naming a covalent compound, you place the element that has less pull on electrons, or this term?

What is electronegative?

400

A solid substance in which the particles are arranged in an orderly, repeating, and 3D pattern.

What is a crystal?

400

The acid H3PO3.

What is -ous?

400

Be(OH)2

What is beryllium hydroxide?

500

The number of valence electrons in aluminum times the total electrons in neon.

What is 30?

500

When drawing out an electron dot diagram, remember that a line between two elements represents this many electrons.

What is 2?

500

The measure of an atoms ability to attract electrons while part of a covalent bond.

What is electronegativity?

500

The acid H3PO4.

What is -ate?

500

CuSO4

What is copper (II) sulfate?