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Topic 1: COMPOUNDS and CHEMICAL EQUATIONS.
Karten in diesem Stapel (5)
- 1True or false? The PROPERTIES of a COMPOUND are always similar to those of the ELEMENTS that make it up.False. COMPOUNDS often have totally different properties to the original ELEMENTS?
- 2How many CARBON ATOMS are there in a MOLECULE of CALCIUM CARBONATE, CaCO₃There is one CARBON ATOM in a MOLECULE of CaCO₃. (plus one CALCIUM ATOM and three OXYGEN ATOMS).
- 3Are REACTANTS found on the left-hand side or the right-hand side of a CHEMICAL EQUATION.They are found on the left-hand side.
- 4What is a COMPOUND?A COMPOUND is a SUBSTANCE formed from 2 or more different ELEMENTS in FIXED PROPORTIONS, held together by CHEMICAL BONDS.
- 52 ATOMS of ALUMINIUM (Al) will REACT with 3 ATOMS of OXYGEN (O) to FORM 1 MOLECULE of ALUMINIUM OXIDE. No other products are FORMED. What is the FORMULA of ALUMINIUM OXIDE? BaNa2
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- Beschreibung
- COMPOUNDS and CHEMICAL EQUATIONS.
- Erstellt von
- Catherine Helen Claisse
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- 10
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