Hydrogen
Atomic Number: 1
Symbol: H
Atomic Mass: 1
Protons: 1
Neutrons: 0
Electrons: 1
Key Terms
Hydrogen
Atomic Number: 1
Symbol: H
Atomic Mass: 1
Protons: 1
Neutrons: 0
Electrons: 1
Helium
Atomic Number: 2
Symbol: He
Atomic Mass: 4
Protons: 2
Neutrons: 2
Electrons: 2
Lithium
Atomic Number: 3
Symbol: Li
Atomic Mass: 7
Protons: 3
Neutrons: 4
Electrons: 3
Beryllium
Atomic Number: 4
Symbol: Be
Atomic Mass: 9
Protons: 4
Neutrons: 5
Electrons: 4
Boron
Atomic Number: 5
Symbol: B
Atomic Mass: 11
Protons: 5
Neutrons: 6
Electrons: 5
Carbon
Atomic Number: 6
Symbol: C
Atomic Mass: 12
Protons: 6
Neutrons: 6
Electrons: 6
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| Term | Definition |
|---|---|
Hydrogen | Atomic Number: 1 |
Helium | Atomic Number: 2 |
Lithium | Atomic Number: 3 |
Beryllium | Atomic Number: 4 |
Boron | Atomic Number: 5 |
Carbon | Atomic Number: 6 |
Nitrogen | Atomic Number: 7 |
Oxygen | Atomic Number: 8 |
Fluorine | Atomic Number: 9 |
Neon | Atomic Number: 10 |
Sodium | Atomic Number: 11 |
Magnesium | Atomic Number: 12 |
Aluminum | Atomic Number: 13 |
Silicon | Atomic Number: 14 |
Phosphorus | Atomic Number: 15 |
Sulfur | Atomic Number: 16 |
Chlorine | Atomic Number: 17 |
Argon | Atomic Number: 18 |
Potassium | Atomic Number: 19 |
Calcium | Atomic Number: 20 |