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- 1. Multiple ChoiceWhich of the following is not a compound?HClClNaClCO2
- 2. Multiple ChoiceWhich of the following represents an element?H2OH2NaClCaCO3
- 3. Multiple ChoiceWhich of the following could be a symbol on he periodic table of elements?JZjzJzJZa
- 4. Multiple ChoiceSalt water boils and the water completely evaporates, salt (NaCl) is left in the bottom of the beaker. Which of the following is left in the beaker?CompoundElementMixtureNone of the Above
- 5. Multiple ChoiceWhat cannot be broken down into other substances?CompoundMixtureSolidsElement
- 6. Multiple ChoiceWhat is made up two or more elements that are chemically combined?ElementMixtureCompoundSolids
- 7. Multiple ChoiceWhich of the following an element?Carbonic AcidCopperIron and CopperWater
- 8. Multiple Choice
1234 - 9. Multiple Choice1234
- 10. Multiple ChoiceHow many elements are represented in the compound?
Na2CO31234 - Answer choicesTagsAnswer choicesTags