Periodic Table
Chemical Equations
General Chemistry
Parents Row...
100

The chemical structure of salt

What is NaCl

100

The definition of coefficients

What is 'the number of moles in an equation'?

100

The three sub-atomic particles that atoms consist of

What are electrons, nuetrons, and protons

100

The chemical structure of water

What is H2O

200

The chemical category Helium is in

What are Noble Gases

200

The chemical formula for methane

What is CH4

200

The two compnenets of a solution and what they mean

What are solvents (the substance that dissolves the solute), and the solute (the substance being dissolved)

200

The smallest out of an atom, a molecule, or a subatomic-particle

What is a subatomic-particle

300

The chemical number of Lithium 

What is 3

300

The term for the number of atoms in an element

What is a subscript?

300

A labeled model of Ernest Rutheford's atomic model

What is...

300

A molecular model of water

What is...

400

The chemical element with the symbol of Md

What is Mendelevium

400

The balanced chemical equation for water (H2O)

What is 2H+ O→ 2H2O

400

The second most common element found on earth's crust: 

Oxygen,

Hydrogen,

Silicon,

Tin,

Lithium, or

Chlorine?

What is Silicon

400

The definition of an atomic number

What is the 'number of protons in an atom's nuclues'

500

Gallium's atomic mass (An answer within a 6-number range will be acceptable)

What is 69.723

500

Balance this chemical equation: Fe2O+ C→ Fe + CO2

What is 2Fe2O+ 6C→ 4Fe + 3CO2

500

The definition of ionic bonds

What is 'when one atom gives electrons to another to get rid of its shell and so it can have a number of electrons and the other atom gets electrons so it can have a number of electrons too'

500

Which has a lower PH level: Acids or bases

What are acids