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Questions and Answers
Which of the following is NOT a subatomic particle?
Which of the following is NOT a subatomic particle?
- Nucleus (correct)
- Neutron
- Electron
- proton
What is the charge of an electron?
What is the charge of an electron?
- it depends on the atom
- Neutral
- Negative (correct)
- Positive
Which element is essential for plant growth? a) Carbon b) Oxygen c) Phosphorusd) Nitrogen
Which element is essential for plant growth? a) Carbon b) Oxygen c) Phosphorusd) Nitrogen
- P
- N
- K (correct)
- Cl
Who is credited with proposing the first scientific theory about the atom?
Who is credited with proposing the first scientific theory about the atom?
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What is the chemical symbol for sodium?
What is the chemical symbol for sodium?
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Where is most of the mass of an atom concentrated?
Where is most of the mass of an atom concentrated?
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Fertilizers are primarily used to provide plants with:
Fertilizers are primarily used to provide plants with:
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the nucleus of an atom contains
the nucleus of an atom contains
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What is the charge of a neutron?
What is the charge of a neutron?
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Which of the following statements about matter is TRUE?
Which of the following statements about matter is TRUE?
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