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- 1. Multiple ChoiceWhat is the atomic number?the number of protonsthe number of protons and neutronsthe number of neutronsthe number of protons and electrons
- 2. Multiple ChoiceWhat is the mass number defined as?the number of protonsthe number of protons and neutronsthe number of neutronsthe number of protons and electrons
- 3. Multiple Choice
What is the atomic number of this atom?1347 - 4. Multiple Choice
What is the mass number of this atom?
1
3
4
7
- 5. Multiple Choice
What is the atomic number of Barium, Ba? (enlarge the periodic table)
20
38
56
88
- 6. Multiple Choice
What is the atomic number of Nickel? (enlarge the periodic table)
110
28
46
78
- 7. Multiple Choice
An element has the mass number 12 and atomic number 6. The number of neutrons in it is:
6
10
4
8
- 8. Multiple Choice
Atoms of the same element which have a different number of neutrons are called _________________.
ions
isotopes
quarks
molecules
- 9. Multiple Choice
Which subatomic particle has a negative charge in the atom?
proton
neutron
electron
quark
- 10. Multiple Choice
If an atom has 10 electrons, how many protons does it have?
0
1
10
5
- Answer choicesTagsAnswer choicesTags