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- 1. Multiple Choice
what is the symbol of Carbon elementSCSiCa - 2. Multiple Choicethe organic chemistry is the chemistry ofMetalsNon metalsCarbonlive
- 3. Multiple Choicewhat is the name of H2Owateroxidehydrogencalcium
- 4. Multiple Choiceis it possible to produce a solution of water and oilyesNo
- 5. Multiple ChoiceThe milk contains 7% w/v proteins. What is the amount of proteins in 1 lt milk70 gr70 ml35 gr140 ml
- 6. Multiple ChoiceA positively charged particle is a(n)protonneutronelectronpositron
- 7. Multiple ChoiceAtoms of the same element that have different masses are calledmolesisotopesnuclidesneutrons
- 8. Multiple ChoiceAn atom of calcium has 20 protons and 20 neutrons. What is its mass number?20406080
- 9. Multiple ChoiceWhat is the number of protons that the element in this image contain?1471518
- 10. Multiple ChoiceThis is achemical symbolchemical signchemical locationchemical formula
- 11. Multiple ChoiceRows on the period table are called _____ while columns are called _____.groups, familiesgroups, periodsperiods, groupsfamilies, groups
- 12. Multiple ChoiceWhich is not an example of chemical changesBurning WoodDyeing HairDigesting FoodChopping wood
- 13. Multiple ChoiceHow many protons does this isotope of titanium have?48222670
- 14. Multiple Choiceph 7.0 : neutral :: ph 8.8 : _______ ?acidbaseneutralpolar
- 15. Multiple ChoiceWhich liquid is the most dense?oilwatersyrupplastic bottle
- Answer choicesTagsAnswer choicesTags