Moles, Molar Mass, & Vocab Warm Up

Front

Oxygen atom valence electrons?

Back

6

Front

Electrons in potassium (K)

Back

19

Front

An element is defined by its number of:

Back

protons

Front

Isotopes are atoms of the same element with the same number of protons but different neutrons, resulting in different masses.

Back

protons, neutrons

Front

Valence electrons in Ar?

Back

8

Front

Unique number for each element equal to the number of protons in its atom.

Back

atomic number

Front

Mass of an atom = protons + neutrons

Back

atomic mass

Front

Molecules of sugar (C₆H₁₂O₆) in a mole?

Back

6.02 x 10²³ molecules

Front

5.2 moles of water contains how many molecules?

Back

3.1304 x 10²⁴

Front

Conversion factor for mass of 2.00 x 10²³ molecules of F₂:

Back

2-Step Mole Conversion