Elements combined in fixed amounts the form
Solution
Compounds
Mixture
Salt
The change on one mole of electrons is
IC
96500 coulombs
600 c
2c
The mass of on mole of carbon atom
12 g
56g
2g
100g
A solution whose concentration is known precisely
Acidic solution
Basic solution
Standard solution
Electrolytic solution
The molecular formula of phosphorous oxide in
P.O5
P2O6
P4O10
P3O4
The standard atom chosen to compare the man of all other atom is
Fluorine
Hydrogen
Carbon
Oxygen
The relative formula mass of NaCl is
35. 5
58.5
18
64
The simplest whole number formula of a compound is
Molecular formula
Empirical formula
Atomic formula
Chemical formula
The unit used to measure amounts of elements and compounds
Gram
Mole
Kilogram
Electron volt
The average mass of the naturally occurring atoms of the element, using a scale where an atom of carbon-12 has a mass of exactly 12
Atomic mass
Molecular mass
Gram atomic mass
Relative atomic mass