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- 1. Multiple ChoiceThe atomic number is equal to _.the number of protons and electronsthe number of neutrons onlythe total number of protons and neutronsthe number of protons neutrons and electrons
- 2. Multiple Choice
What is the charge on a lithium atom that looses 1 electron?+10-1-2 - 3. Multiple ChoiceThe atomic mass is equal to _.the number of protons onlythe number of neutrons onlythe total number of protons and neutronsthe number of protons, neutrons, and electrons.
- 4. Multiple ChoiceHow many protons does this isotope of titanium have? Hint titanium has an atomic number of 22.48222670
- 5. Multiple ChoiceWhat is the atomic number of Fe? (click to see image)2655.84556None of these
- 6. Multiple ChoiceHow many neutrons does B (Boron) contain?511610.811
- 7. Multiple ChoiceHow many neutrons does Lithium have (atomic mass = 6.94)346.9424.94
- 8. Multiple Choice
What charge does an atom have when it GAINS electrons?
Positive
Negative
Neutral
- 9. Multiple Choice
What is a representation of an ion?
Li
Na-22
O-2
- 10. Multiple Choice
How many neutrons does this bromine atom have?
35
45
80
- 11. Multiple Choice
What two particles determine the mass number?
Protons and electrons
Electrons and neutrons
Protons and neutrons
- 12. Multiple Choice
How many electrons does this magnesium ion have?
24
12
10
14
- 13. Multiple Choice
What does it change in an ion?
The number of electrons
The number of protons
The number of neutrons
- 14. Multiple Choice
What is the representation of an isotope?
N-3
Al+3
Si
P-33
- 15. Multiple Choice
What is the atomic number of this element?
12
24
23
- 16. Multiple ChoiceIsotopes are atoms that have differentMass numbersElement namesAtomic Numbers
- Answer choicesTagsAnswer choicesTags