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
The mass of one hydrogen atom is:
1. 6 ×-10-31
1.7 × 10-24
6. 1 × 1023
2.1 × 10-28
The relative formula mass of calcium carbonate is:
80
44
246
100
The standard atom chosen to compare the mass of all other atom.
Fluorine
Hydrogen
Carbon
Oxygen
The simplest whole number formula of a compound is:
molecular formula
empirical formula
atomic formula
chemical formula
A solution whose concentration is known precisely.
Acidic solution
Basic solution
Standard solution
Electrolytic solution
The sum of the relative atomic masses of the elements present in a formula unit is:
Relative molecular mass
Relative gram atomic weight
Relative formula mass
The relative formula mass of NaCl is:
35. 5
58.5
18
64
The mass of the product is equal to the total mass of the reactants. This is:
Law of conservation of mass
Law of constant proportion
Law of relative mass
Law of reciprocal proportion
The change on one mole of electrons is:
IC
96500 coulombs
600 c
2c
