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Other Sciences
6th -
8thgrade
Atoms, Molecules, Elements, & Compounds
25 questions
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- 1. Multiple ChoiceWhat is the tiniest particle in the entire universe?cellsgasesatomsliquids
- 2. Multiple ChoiceWhat is the name of a single type of atom?cellprotonelementatom
- 3. Multiple ChoiceWhat is the term for combining 2 or more atoms together?atomselementsmoleculescompounds
- 4. Multiple ChoiceWhat is the term for combining 2 or more DIFFERENT atoms together?atomselementsmoleculescompounds
- 5. Multiple ChoiceTRUE OR FALSE:
Every compound is a molecule but not every molecule is a compound.TRUEFALSE - 6. Multiple ChoiceWhat is the picture displayed?atomelementmoleculecompound
- 7. Multiple ChoiceWhat is the picture displayed?atomelementmoleculecompound
- 8. Multiple ChoiceWhat is the picture displayed?atomelementmoleculecompound
- 9. Multiple ChoiceAre these molecules also compounds?YESNO
- 10. Multiple ChoiceHydrogen is a pure substance represented by the chemical symbol H. Which of the following best describes hydrogen?Hydrogen is an element made of two or more kinds of atoms.Hydrogen is a compound made of only one kind of atom.Hydrogen is a compound made of two or more kinds of atoms.Hydrogen is an element made of only one kind of atom.
- 11. Multiple ChoiceThe element oxygen, represented by the symbol O, is classified asa pure substancea compounda mixturea solution
- 12. Multiple ChoiceCarbon (C) and hydrogen (H) are pure substances. Each is made of only one type of atom, but carbon atoms are different from hydrogen atoms. Carbon and hydrogen chemically combine to form methane (CH4).methane is an element and carbon and hydrogen are compounds.carbon, hydrogen, and methane are all elements.carbon, hydrogen, and methane are all compounds.carbon and hydrogen are elements and methane is a compound.
- 13. Multiple ChoiceWhat is a compound?an atom with more electrons than protonsa substance in which the atoms of two or more elements are combined togetheran atom with more neutrons than protonsa substance in which the atoms of three or more elements are combined together
- 14. Multiple ChoiceAtoms combine to form _______.electronsmoleculesnucleineutrons
- 15. Multiple ChoiceA compound is...a substance made up of one type of atom in its molecular form.a substance formed by the reaction of two or more elements.a mixture formed by the mixing of two or more elements.a substance made up of one type of atom in its atomic form.
- 16. Multiple ChoiceCarbon dioxide is formed when two oxygen atoms chemically combine with a carbon atom. Which term best describes carbon dioxide?atommixtureelementcompound
- 17. Multiple ChoiceWhat defines a mixture?described by a chemical formulacan be broken down into its basic substances through physical meanscreated through a chemical reactioncannot be broken down into simpler substances
- 18. Multiple ChoiceThe air we breathe contains different individual gases (mostly nitrogen and oxygen). Which of the following correctly describes the air we breathe?compoundliquidelementmixture
- 19. Multiple ChoiceAll matter is made ofenergyatomsairchemistry
- 20. Multiple ChoiceWhich of the following is NOT matterairheatsteamcow
- 21. Multiple ChoiceElement is apure substancecompoundmixturemolecule
- 22. Multiple Choicewhich one only has one type of atom In it.Elementcompound
- 23. Multiple ChoiceIs salt (NaCI) a compound or a elementCompoundelement
- 24. Multiple ChoiceWhich of the following represents an element?H2OH2NaClCaCO3
- 25. Multiple ChoiceWhich of the following is not a compound?HClClNaClCO2
- Answer choicesTagsAnswer choicesTags