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- 1. Multiple ChoiceIf an atom has 3 valence electrons, what charge will it have as an ion?+3-3+5-5
- 2. Multiple ChoiceIf Titanium has 19 electrons, what charge will it have?+22-19+3-3
- 3. Multiple ChoiceIf an atom gains 3 electrons, what charge will it have as an ion?+3-3+5-5
- 4. Multiple ChoiceIf an atom has 1 valence electrons, what charge will it have when it becomes an ion?+1-1+7-7
- 5. Multiple ChoiceIf an element gains 2 electrons, what charge will it have when it becomes an ion?+2-2-6-6
- 6. Multiple ChoiceHow many valence electrons does a Sulfur atom have?2467
- 7. Multiple ChoiceIf an atom has 6 valence electrons, what charge will it have when it becomes an ion?+2-2+6-6
- 8. Multiple ChoiceIf an atom has 2 valence electrons, what charge will it have when it becomes an ion?+2-2+6-6
- 9. Multiple ChoiceIf an atom loses 2 valence electrons, what charge will it have as an ion?+2-20+8
- 10. Multiple ChoiceIf Copper has 26 valence electrons, what charge will it have?+3-3+26+29
- 11. Multiple ChoiceIf an element gains 1 electron, what charge will it have?+1-1+7-7
- 12. Multiple Choice
An atom becomes _________ when it gains electrons.
Positive
Negative
Neutral
- 13. Multiple Choice
An atom becomes _______ when it loses electrons.
Positive
Negative
Neutral
- 14. Multiple Choice
When an atom loses a valence electron, it becomes a(n) _____________ ion.
positive
negative
neutral
- 15. Multiple Choice
When an atom gains a valence electron, it becomes a(n) _____________ ion.
positive
negative
neutral
- 16. Multiple ChoiceWhat is the charge of an atom that has lost one electron?-1-2+1+2
- 17. Multiple ChoiceWhat is the charge of an atom that has gained one electron?-1-2+1+2
- 18. Multiple Choice
What is the atomic number?
the number of protons in the nucleus
the number of protons and neutrons in the nucleus
the number of neutrons in the nucleus
the number of protons in the energy levels
- 19. Multiple Choice
What is the mass number?
the number of protons in the nucleus
the number of protons and neutrons in the nucleus
the number of neutrons in the nucleus
the number of protons and electrons in the atom
- 20. Multiple Choice
What is the atomic number of this atom?
1
3
4
7
- 21. Multiple Choice
What is the mass number of this atom?
1
3
4
7
- 22. Multiple ChoiceMost of the mass in an atom is made up of _____________________?protons and electronsprotons and neutronsneutrons and electronselectrons and quarks
- 23. Multiple ChoiceIn order for an atom to be neutral what has to be true?The atom has more protons than neutronsThe atom has more neutrons than protonsThe atom has the same number of protons and neutronsThe atom has the same number of protons and electrons
- 24. Multiple ChoiceWhat does the C represent?atomic massatomic numberelement namechemical symbol
- 25. Multiple Choice
What does the 6 represent?
Atomic mass
atomic number
chemical symbol
element name
- 26. Multiple ChoiceHow is the number of neutrons in the nucleus of an atom calculated?Add the number of e- and p+ togetherSubtract the number of e- from p+Subtract the number of p+ from the mass numberAdd the mass number to the number of e-
- 27. Multiple ChoiceWhat subatomic particles would you find in the nucleus of an atom?Protons onlyProtons and NeutronsNeutrons and ElectronsProtons and Electrons
- 28. Multiple ChoiceWhich subatomic particles contribute the most to the mass of an atom?Protons, Neutrons, ElectronsProtons onlyProtons and ElectronsProtons and Neutrons
- 29. Multiple ChoiceIf an atom has 12 positively charged subatomic particles, which of the following must it also have to be considered a neutral atom?12 neutrons12 electrons12 protons24 protons and neutrons
- 30. Multiple Choice
An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.
20
10
35
25
- 31. Multiple Choice
How many electrons does this atom have?
2
4
6
10
- 32. Multiple ChoiceThe atomic number of an element that has 9 protons, 9 electrons, and 10 neutrons is _____.9101928
- 33. Multiple ChoiceAn element with a mass number of 11 and an atomic number of 5 has how many neutrons?115616
- 34. Multiple ChoiceAn atom has an atomic number of 15 and a mass number of 31. How many protons are there in the atom?15311647
- 35. Multiple ChoiceWhat is the atomic number of the atom pictured?9101819
- 36. Multiple Choice
Which of the following determines the identity of an element?
number of protons
atomic mass
number of neutrons
number of shells
- 37. Multiple ChoiceWhich particle has a positive charge?electronorbitalprotonneutron
- 38. Multiple ChoiceChoose the particle that has no charge.nucleusneutronprotonelectron
- 39. Multiple ChoiceThis particle determines what element you have - the elements identity.electronprotonneutronvalence shell
- 40. Multiple ChoiceThis causes the mass of the nucleus to increase.adding an electronadding a neutronmore orbitalsadding negatively charged particles
- 41. Multiple ChoiceAn electron has a _____ charge.negativepositiveneutral
- 42. Multiple ChoiceWhat are valence electrons?electrons on the first orbital alwaysnucleusthe outermost shellthe number of electrons on the outermost orbital
- 43. Multiple ChoiceWhat is the mass number and name of an element with 8 protons and 8 neutrons?16 - Carbon16 - Oxygen24 - Oxygen8 - Neon
- 44. Multiple ChoiceAn element with a mass number of 10 and an atomic number of 6 has how many protons?58610
- 45. Multiple ChoiceAn element with a mass number of 11 and an atomic number of 5 has how many neutrons?115616
- 46. Multiple ChoiceAn atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.2010525
- 47. Multiple ChoiceAn atom has 13 protons, 15 neutrons and ___ electrons what is its mass number?13262815
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