1. Vocabulary 1.7
Chastain 2017

2. Molecules
A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.

3. Elements
A class of substances that cannot be separated into simpler substances by chemical means.

4. Groups The columns on the periodic table.
 The elements in a group have similar physical or chemical characteristics of the outermost electron shells (Valance electrons) of their atoms.

5. Periods The Horizontal rows on The Periodic Table.
These elements have same number of electron shells.
Going across a period, each element has one more proton and is less metallic than the element before it.

6. Will the Periodic Table Ever Be Complete?

7. Atomic Number
The number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.

8. Atomic Mass
It is approximately equivalent to the number of protons and neutrons in the atom (the mass number).

9. Chemical Formula Examples
A combination of symbols that represent the elements in a compound and their proportions.
Examples

10. Reading the P.O.T.

11. The Law of Conservation of Matter/Mass
Matter/Mass can not be
created or destroyed only transformed.

12. https://quizlet.com/_3sq9vm
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