1
Q
Atom
A
Basic unit of matter consisting of a dense nucleus surrounded by electrons
2
Q
Molecule
A
An electrically neutral group of two or more atoms in arrangement held by covalent bonds
3
Q
Compound
A
Pure chemical substance consisting of two or more different elements that can be separated into simpler substances
4
Q
Element
A
Pure chemical substance consisting if one type of atom
Distinguished by its atomic number(number of protons)
5
Q
Ion
A
Charged particle formed by the loss of gain of one or more electrons
6
Q
Organic
A
A substance that has multiple carbon atoms
7
Q
Inorganic
A
A substance that doesn’t have more than one carbon atom
Biological compounds
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