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- 1. Multiple ChoiceWhat is the term for combining 2 or more atoms together?atomselementsmoleculescompounds
- 2. Multiple ChoiceWhat is the term for combining 2 or more DIFFERENT atoms together?atomselementsmoleculescompounds
- 3. Multiple Choice
What is the picture displayed?atomelementmoleculecompound - 4. Multiple ChoiceAre these molecules also compounds?YESNO
- 5. Multiple ChoiceAre these molecules also compounds?YESNO
- 6. Multiple ChoiceThe element oxygen, represented by the symbol O, is classified asa pure substancea compounda mixturea solution
- 7. 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.
- 8. 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.
- 9. Multiple ChoiceCarbon dioxide is formed when two oxygen atoms chemically combine with a carbon atom. Which term best describes carbon dioxide?atommixtureelementcompound
- 10. Multiple Choice
Which of the following cannot be broken down into something simpler?
A compound
An element
A mixture
- 11. Multiple Choice
How many elements are in C6H12O6?
1
2
3
6
- 12. Multiple Choice
How many Hydrogen atoms are present in H20?
2
4
1
0
- 13. Multiple Choice
How many Nitrogen atoms are in the in H2C3O4N5?
2
3
4
5
- 14. Multiple Choice
How many Aluminum atoms are in Al2O3?
3
2
5
1
- 15. Multiple Choice
What is the picture displayed?
atom
element
molecule
- 16. Multiple ChoiceWhich is the correct formula for:
three hydrogen (H)
one sulfur (S)
four oxygen (O)H3SO4HSO4H4S3OH2O - 17. Multiple ChoiceWhat is the basic unit of matter (smallest part of an element)?atomselementsprotonscompounds
- 18. Multiple ChoiceAtoms combine to form _______.electronsmoleculesnucleineutrons
- 19. Multiple ChoiceWhich part of an atom is POSITIVELY charged?protonsneutronselectronsatoms
- 20. Multiple ChoiceWhat part of an atom is NEGATIVELY charged?protonsneutronselectronsatoms
- 21. Multiple ChoiceWhich part of an atom has no charge?protonsneutronselectronsatoms
- 22. Multiple ChoiceWhat is the picture displayed?AtomElementMoleculeCompound
- Answer choicesTagsAnswer choicesTags