Chemistry Section 2
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1.8
- Element - a pure substance that cannot be chemically broken down further.
Found on the periodic table and has a unique atomic (proton) number
- Compound - a substance containing 2+ elements that are chemically bonded
together
- Mixture - substance containing 2+ substances that are not chemically bonded
together
- Element - Au, Ag, Al, O2, Ca etc
- Compound - Al2O3, H2O, NH3 SO2 etc
- Mixture - Fe2 + S, At + Al, K + B, C + Si etc
1.9
- Melting and boiling points of pure substances are fixed
- Melting and boiling points of mixtures melt/boil over a range of
temperatures
hello
1.8
- Element - a pure substance that cannot be chemically broken down further.
Found on the periodic table and has a unique atomic (proton) number
- Compound - a substance containing 2+ elements that are chemically bonded
together
- Mixture - substance containing 2+ substances that are not chemically bonded
together
- Element - Au, Ag, Al, O2, Ca etc
- Compound - Al2O3, H2O, NH3 SO2 etc
- Mixture - Fe2 + S, At + Al, K + B, C + Si etc
1.9
- Melting and boiling points of pure substances are fixed
- Melting and boiling points of mixtures melt/boil over a range of
temperatures
