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- 1. Multiple Choice
How many Hydrogen atoms are in 4H2O?
6
8
2
4
- 2. Multiple Choice
How many Oxygen atoms are in H2O?
1
2
0
4
- 3. Multiple Choice
How many Magnesium atoms are in 10MgCl2?
10
5
20
- 4. Multiple ChoiceHow many elements are in C6H12O6?1234
- 5. Multiple Choice
How many atoms are there TOTAL in H2SO4 ?
6
5
7
3
- 6. Multiple Choice
How many Nitrogen atoms are in (NH₄)₂CrO₄?
1
2
8
16
- 7. Multiple Choice
How many Oxygen atoms are in Al₂(SO₄)₃?
4
12
7
24
- 8. Multiple Choice
How many elements are present in this compound? (Careful!)
Mg2As3COHNi2
2
4
6
10
- 9. Multiple Choice
Subatomic particles with a negative charge
Electrons
Neutrons
Protons
Quarks
- 10. Multiple Choicesubatomic particles found on the outermost shell & responsible for the atom's reactivityneutronsvalence electronsisotopesions
- 11. Multiple ChoiceSubatomic particles with a positive chargeneutronsatomic massprotonsisotopes
- 12. Multiple ChoiceMeasure mainly of the nuclear particles: protons + neutronsSubatomic ParticlesAtomic NumberAtomic MassGluons
- 13. Multiple ChoiceValue representing the number of protons in an elementAtomic MassMass NumberValence ElectronsAtomic Number
- 14. Multiple ChoiceSubatomic particles that are neutral in chargeNeutronsProtonsNucleusElectrons
- 15. Multiple Choice
The image shows the periodic grid for POTASSIUM. What is Potassium's atomic number?193920Impossible to tell - 16. Multiple ChoiceThe image shows the periodic grid for POTASSIUM. How many PROTONS are found in a potassium atom?193920Impossible to tell
- 17. Multiple Choice
What is the atomic mass of Neon?
10
20.18
10.18
- 18. Multiple ChoiceWhat is the atomic number of this atom?1347
- 19. Multiple ChoiceHow many electrons should Nitrogen have around its Lewis dot model?1345
- 20. Multiple ChoiceHow many electrons should Oxygen have around its Lewis dot model?5678
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