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Lesson 3

Subatomic particles & Periodic Table

Atomic number of Neon 10
The atomic mass unit of Nitrogen atom 14.0067
The mass number of Nitrogen. 14
The number of Protons for sodium atom 11
The number of neutrons in bromine atom. 45
The number of electrons for Sulfur atom. 16
The number of electrons for a sulfide ion 18
An alkali metal in period 3 Sodium
A halogen in period 5 Iodine
The number of electrons in lithium ion 2
Created by: emma-Chow