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Chapter 2 Atoms
Atom Parts/ Acid/ Bases
Term | Definition |
---|---|
Atomic Number | the number of protons and electrons in an element |
Atomic Mass | the number of protons and neutrons in an element |
Protons | positively charged particles |
Electrons | negatively charged particles |
Neutrons | neutral charged particles (atomic mass- number) |
Ionic Bonds | bond between a metal and a non metal |
Covalent Bonds | two metals or non metals share electrons |
Matter | anything that occupies space and has mass |
Atom | the smallest unit of an element |
Molecule | basic structural unit of a compound with properties |
Compound | two or more atoms combine chemically |
Solution | the combination of a solvent and a solute |
Isotope | atoms of the same element with the same atomic number ans different atomic masses |
Acid | 0-7.0 on ph scale , acidic taste |
Base | 8.0-14 on ph scale , bitter taste |
Organic | chemical compounds whose molecules have carbon |
Inorganic | chemical compounds whose molecules don't have carbon |
Hydrolysis | water molecule is added to a complex molecule |