Question

What are atoms ?
What are molecules ?
What is ion ?
What is atomic mass ?




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Answer 1

Explanation:Hello Nobi Nobi

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1. An atom is a particle of matter that uniquely defines achemical element. An atom consists of a central nucleus that is usually surrounded by one or more electrons. ... The nucleus is positively charged, and contains one or more relatively heavy particles known as protons and neutrons. A proton is positively charged.
2. molecule, a group of two or more atoms that form the smallest identifiable unit into which a pure substance can be divided and still retain the composition and chemical properties of that substance. Representations Of Molecular Structure.
3. (in chemistry) an atom or a molecule that has gained or lost one or more of its parts (electrons) and so has a positive or negative electric charge
4. The atomic mass is the mass of an atom. Although the SI unit of mass is the kilogram, atomic mass is often expressed in the non-SI unit atomic mass unit or unified mass or dalton, where 1 amu or 1 u or 1 Da is defined as 1⁄12 of the mass of a single carbon-12 atom, at rest.

Answer 2

1.smallest part into which an electron can be divided.

2.smallest unit into which a substance can be divided without changing its chemical nature.

3.an atom or a molecule that has gained or lost one or more of it's parts and has a negative charge or positive charge.

4.the mass of an atom of a particular chemical substance