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Questions and Answers
What is the atomic number of carbon?
What is the atomic number of carbon?
- 6 (correct)
- 7
- 5
- 8
Which subatomic particle has a negative charge?
Which subatomic particle has a negative charge?
- Positron
- Proton
- Electron (correct)
- Neutron
What type of bond is formed when electrons are shared between atoms?
What type of bond is formed when electrons are shared between atoms?
- Hydrogen bond
- Metallic bond
- Ionic bond
- Covalent bond (correct)
What is the atomic number of carbon?
What is the atomic number of carbon?
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What is the chemical symbol for gold?
What is the chemical symbol for gold?
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What is the most abundant element in the Earth's crust?
What is the most abundant element in the Earth's crust?
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Study Notes
Atomic Structure and Elements
- Carbon has an atomic number of 6, indicating it has six protons in its nucleus.
- The subatomic particle that carries a negative charge is the electron, playing a key role in chemical bonding and reactions.
- A covalent bond is formed when electrons are shared between atoms, allowing them to achieve greater stability.
Chemical Symbols and Abundance
- The chemical symbol for gold is Au, derived from its Latin name "Aurum."
- Oxygen is the most abundant element in the Earth's crust, primarily found in compounds like silicates and oxides.
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