Fichas
Topic 2 - Compounds
Fichas del conjunto (6)
- 1What is a compound?A compound is a substance made up of more than one atom, chemically joined together. It has 2 or more elements.
- 2What is the formula for water?2 x Hydrogen atoms, 1 x Oxygen atom = 3 atoms in total
- 3What is an ion?An ion is a charged particle/atom. Metals are positively charged (Loss of electrons) and non-metals are negatively charged (Gain of electrons).
- 4What does a water molecule look like?This is a water molecule, the 2 hydrogen atoms join on to the oxygen atom.
- 5What is the scientific name and symbol (chemical formula) for table salt.Sodium Chloride - NaCl
- 6Does the formula for a compound ever have charges?No, it does not.
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- Flash Cards for Topic 2.
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