Quiz: Atomic Structure & Atomic Mass Calculations

17 Questions | By Whol_jspitler | Last updated: Dec 20, 2018 | Total Attempts: 1110

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Quiz: Atomic Structure & Atomic Mass Calculations

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Questions and Answers

1.

The diagram below represents carbon-14. What is the mass number of carbon-14?
- A.
  
  6
- B.
  
  14
- C.
  
  8
- D.
  
  20
2.

The diagram below represents carbon-14. What is the atomic number of carbon-14?
- A.
  
  6
- B.
  
  14
- C.
  
  8
- D.
  
  20
3.

The diagram below represents carbon-14. How many neutrons are in an atom of carbon-14?
- A.
  
  6
- B.
  
  14
- C.
  
  8
- D.
  
  20
4.

An atom that has 8 protons, 8 neutrons, and 7 electrons would be considered an oxygen ion.
- A.
  
  True
- B.
  
  False
5.

An atom with 9 protons, 10 neutrons, and 9 electrons would be considered an isotope of fluorine.
- A.
  
  True
- B.
  
  False
6.

An atom that contains an unequal number of protons and electrons is called a(n)
- A.
  
  Atom
- B.
  
  Molecule
- C.
  
  Isotope
- D.
  
  Ion
7.

An atom that contains a different number of neutrons than the normally occurring version is called a(n)
- A.
  
  Atom
- B.
  
  Molecule
- C.
  
  Ion
- D.
  
  Isotope
8.

Which type of subatomic particle has a positive charge?
- A.
  
  Proton
- B.
  
  Neutron
- C.
  
  Electron
9.

Which type of subatomic particle has a negative charge?
- A.
  
  Proton
- B.
  
  Neutron
- C.
  
  Electron
10.

Which type of subatomic particle has no charge, meaning it is neutral?
- A.
  
  Proton
- B.
  
  Neutron
- C.
  
  Electron
11.

In the diagram below, what color represents the electrons?
- A.
  
  Blue
- B.
  
  Yellow
- C.
  
  Red
- D.
  
  They are not represented.
12.

Which subatomic particle determines the identity of an atom? In other words, all atoms of one element will always have the same number of these.
- A.
  
  Proton
- B.
  
  Neutron
- C.
  
  Electron
13.

Ga-69 has a mass of 68.926 amu and an abundance of 60.10%. Ga-71 has a mass of 70.925 amu and an abundance of 39.90%. What is the weighted average atomic mass of galium? (Type only a numeric answer. Do not include units.)
14.

Cl-35 has a mass of 34.969 amu and a relative abundance of 75.7%. Cl-37 has a mass of 36.965 amu and a relative abundance of 24.3%. What is the weighted average atomic mass of chlorine? (Type only a numeric answer. Do not include units.)
15.

Ag-107 has a mass of 106.905 amu and an abundance of 51.84%. Ag-109 has a mass of 108.905 and an abundance of 48.16%. What is the weighted average atomic mass of silver? (Type only a numeric answer. Do not include units.)
16.

Which particle(s) are found in the nucleus?
- A.
  
  Proton
- B.
  
  Neutron
- C.
  
  Electron
17.

Which particle(s) are located outside the nucleus?
- A.
  
  Proton
- B.
  
  Neutron
- C.
  
  Electron

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