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- 1. Multiple ChoiceThe positive particles of an atom areelectronspositronsneutronsprotons
- 2. Multiple Choice
an atom with proton number 6 would have how many protons
6
12
3
cannot be determined
- 3. Multiple Choice
An atom's nucleon number equals the number of...
protons plus the number of electrons
protons plus the number of neutrons
protons
neutrons
- 4. Multiple Choice
Electrons are___________
Extremely small even in comparison to protons.
part of the nuclues.
Super Positive, like Form 4 students!
very large
- 5. Multiple ChoiceTrue or False? Isotopes are atoms of the same element that differ in mass number and number of neutronsTrueFalse
- 6. Multiple ChoiceA neutral atom of the element sodium has 11 protons and ____ electrons.2223811
- 7. Multiple Choice
What is the nucleon number of this atom?
4
5
9
none of the above
- 8. Multiple Choice
What is the proton number of this atom?
4
5
9
none of the above
- 9. Multiple Choice
What happens during radioactive decay?
the atom gains electrons
neutrons accumulate in nucleus
the atom looses electrons
the nucleus decays
- 10. Multiple ChoiceWhat is emitted during Beta Radiation?A high-energy Electron.Protons.Neutrons.Nuclei
- 11. Multiple ChoiceWhat is the most penetrating radiation?gammaalphabetapositron
- 12. Multiple ChoiceTRUE or FALSE: gamma changes the atomic number.TrueFalse
- 13. Multiple ChoiceWhich type of nuclear radiation is being emitted here?Alphabetagammanone
- 14. Multiple ChoiceSolve this equation for alpha decay.
85209At = ___ + 24He83205Bi86209Rn81207Tl85208At - 15. Multiple ChoiceBalance the following equation:
146C --> 0-1e + ________145B146C147N42He - Answer choicesTagsAnswer choicesTags