11 Questions |
By Vbakkar | Last updated: Oct 11, 2018
| 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
Weighted average of the mass of all naturally occurring isotopes of the same element.
The smallest unit of an element that maintains the properties of an element.
Positively charged particle in an atom.
Made up of protons and nuetrons
Particle in the atom that has no charge.
Atoms with the same number of protons but differently numbers of neutrons.
Negatively charged particle in the atom.
Number of protons in a nucleus
Regions where electrons are likely to be found
SI unit used to express the mass of atomic particles
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