The Atom - Quiz Definitions
11 Questions
| Total Attempts: 71
An atom is the smallest constituent unit of ordinary matter that has the properties of a chemical element. It is composed of a dense core called the nucleus and a series of outer shells occupied by orbiting electrons. What more do you know about atoms? Take up the quiz to find out.
Questions and Answers
- 1.Weighted average of the mass of all naturally occurring isotopes of the same element.
- 2.The smallest unit of an element that maintains the properties of an element.
- 3.Positively charged particle in an atom.
- 4.Made up of protons and nuetrons
- 5.Particle in the atom that has no charge.
- 6.Atoms with the same number of protons but differently numbers of neutrons.
- 7.Negatively charged particle in the atom.
- 8.Number of protons in a nucleus
- 9.Regions where electrons are likely to be found
- 10.SI unit used to express the mass of atomic particles
- 11.Sum of protons and neutrons
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Sample QuestionThe three basic components of an atom are:
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Sample QuestionProtons...
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Sample QuestionHow do scientists know how atoms are structured?
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