Combined Chemistry Elements & Compounds C1.1
- Created by: NKaiya
- Created on: 08-12-20 17:32
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- Elements and Compounds C1.1
- Elements
- Elements are a group of atoms that all have the same number of protons.
- There are 118 elements.
- Some examples of elements are: Sodium Na, Oxygen O, Magnesium Mg
- Compounds
- Compounds are elements that react and the atoms from each element combine.
- Compounds are held together by chemical bonds, either taking or sharing electrons.
- A metal and non-metal gain and lose electrons to create an ionic bond.
- Two non-metals share electrons to create a covalent bond.
- Some examples of compounds include: Water H2O , Carbon Dioxide CO2 and hydrochloric acid HCl
- Elements
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