An atom is a particle of matter that uniquely defines achemical element. ... The nucleus is positively charged, and contains one or more relatively heavy particles known as protons and neutrons. A proton is positively charged. The number of protons in the nucleus ofan atom is the atomic number for the chemical element.
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Answer:
Letter C
Explanation:
An element is the simplest form of matter
Answer:
A
Explanation:
An atom is a particle of matter that uniquely defines achemical element. ... The nucleus is positively charged, and contains one or more relatively heavy particles known as protons and neutrons. A proton is positively charged. The number of protons in the nucleus ofan atom is the atomic number for the chemical element.
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