1
Q
a mol=
A
6.022x10²³
2
Q
What are the types of particles?
A
-molecules
-atoms
-ions
-formula units
3
Q
Mass to mols
A
molar mass
4
Q
Particles to mols
A
Avagardo’s number
5
Q
What is molar mass?
A
the mass of one mole of any pure substance
6
Q
What is a structural formula?
A
shows the types of atoms involved, the exact composition of each molecule, and the arrangement of chemical bonds
7
Q
What is a molecular formula?
A
shows the types and numbers of atoms involved as they appear in the molecules
8
Q
What is an empirical formula?
A
tell what elements are present and give the simplest whole-number ratio of atoms in the compound
9
Q
What is percent composition?
A
a percent that gives the relative amount (based on mass) of each element present
Chemistry
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