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Lesson 3
Subatomic particles & Periodic Table
Question | Answer |
---|---|
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 |