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- 1. Multiple Choiceall matter is made of whatenergyatomselectronscompounds
- 2. Multiple ChoiceThe positive particles of an atom areelectronspositronsneutronsprotons
- 3. Multiple Choicethe central region of an atom where its neutrons and protons are is itsnucleuselectron cloudcorecenter
- 4. Multiple Choicean atom with atomic number 6 would have how many protons6123cannot be determined
- 5. Multiple ChoiceParticles in an atom that are neutral and have no charge arenegatronselectronsneutronsprotons
- 6. Multiple ChoiceA particle that moves around the nucleus is a(n)...ProtonNeutronElectronQuark
- 7. Multiple Choice
What does the 1.00794 stand for?
mass number
atomic number
average atomic mass
number of protons
- 8. Multiple ChoiceWhat is the number of protons that the element in this image contain?1471518
- 9. Multiple Choice
If an atom has 12 protons, which of the following must it also have to be considered a neutral atom?
12 neutrons
12 electrons
12 protons
24 protons and neutrons
- 10. Multiple ChoiceIf an atom has 10 protons, 10 neutrons, and 10 electrons, what is the mass of the atom?102030
- 11. Multiple Choice
What charge does an atom have when it GAINS electrons?
Positive
Negative
Neutral
- 12. Multiple Choice
What two particles determine the mass number?
Protons and electrons
Electrons and neutrons
Protons and neutrons
- 13. Multiple Choice
When an atom loses an electron, it becomes a(n) _____________ ion.
positive
negative
neutral
polyatomic
- 14. Multiple Choice
If the mass number of this chlorine atom is 36, how many neutrons does it have?
17
18
19
can't be determined
- 15. Multiple Choice
What is the atomic number of this atom shown in the Bohr model?
11
12
13
can't be determined
- 16. Multiple Choice
What is the mass number of the atom shown in the Bohr model?
11
12
23
Can't be determined
- 17. Multiple Choice
Is this atom an ion? If so what would it's charge be?
Yes, 1-
No it is neutral
Yes, 1+
Can't be determined
- 18. Multiple Choice
Most of the mass of an atom is found in the ______.
nucleus
proton
electron cloud
isotope
- 19. Multiple ChoiceAn atom with an unequal number of protons and electrons is said to have (a) ___.no chargebalancechargeunbalance
- 20. Multiple ChoiceTwo atoms of the same element but with different mass numbers are called________electronsisotopesvariableselectron cloud
- Answer choicesTagsAnswer choicesTags