Questions and Answers
What is the atomic number of Hydrogen?
What is the symbol for Helium?
What is the atomic number of Lithium?
3
What is the symbol for Beryllium?
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What is the atomic number of Boron?
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What is the symbol for Carbon?
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What is the atomic number of Nitrogen?
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What is the symbol for Oxygen?
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What is the atomic number of Fluorine?
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What is the symbol for Neon?
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What is the atomic number of Sodium?
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What is the symbol for Magnesium?
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Study Notes
First 12 Elements of the Periodic Table
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Hydrogen:
- Atomic number: 1
- Symbol: H
- Lightest and most abundant element in the universe.
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Helium:
- Atomic number: 2
- Symbol: He
- Second most abundant element, exists in stars and used in balloons.
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Lithium:
- Atomic number: 3
- Symbol: Li
- Light metal known for its use in rechargeable batteries.
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Beryllium:
- Atomic number: 4
- Symbol: Be
- Used in aerospace components due to its lightweight and strong properties.
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Boron:
- Atomic number: 5
- Symbol: B
- Essential for plant growth and used in glass and ceramics.
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Carbon:
- Atomic number: 6
- Symbol: C
- Basis of all known life, found in various forms like graphite and diamond.
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Nitrogen:
- Atomic number: 7
- Symbol: N
- Makes up 78% of Earth's atmosphere, essential for life and fertilizers.
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Oxygen:
- Atomic number: 8
- Symbol: O
- Essential for respiration in living organisms, supports combustion.
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Fluorine:
- Atomic number: 9
- Symbol: F
- Highly reactive gas, used in toothpaste and Teflon production.
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Neon:
- Atomic number: 10
- Symbol: Ne
- Inert gas used in neon signs and lighting.
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Sodium:
- Atomic number: 11
- Symbol: Na
- Highly reactive metal, essential for biological functions; found in table salt.
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Magnesium:
- Atomic number: 12
- Symbol: Mg
- Important for many biochemical processes and used in construction and fireworks.
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Description
This quiz focuses on the first 12 elements of the periodic table. Learn their atomic numbers and symbols through engaging flashcards. Perfect for beginners in chemistry or those needing a quick refresher.