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CP Atomic Structure & Average Atomic Mass Quiz (10/23/2024)
By Angela LEIGH Nardiello
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Last updated 8 months ago
11 questions
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Question 1
1.
Atoms are __________ because they have the same number of protons and electrons.
Protons have a __________ charge, electrons have a __________, and neutrons are__________.
Question 2
2.
The diagram of an atom below shows two regions, the nucleus (1) and the area surrounding the nucleus (2).
Protons and neutrons in region 1, electrons orbiting in region 2
Protons in region 1, neutrons and electrons orbiting in region 2
Protons and electrons in region 1, neutrons orbiting in region 2
Electrons and neutrons in region 1, protons orbiting in region 2
Question 3
3.
The estimated average atomic mass of Silicon could be __________ amu because the __________ abundant isotope is __________.
Question 4
4.
An atom has 7 protons, 7 electrons, and 8 neutrons. What is its atomic mass?
Question 5
5.
Given the isotope of Oxygen-18, how many neutrons does this isotope have?
visibility
View drawing
Question 6
6.
Given the isotope of Carbon-12, how many neutrons does it contain?
Question 7
7.
An atom of Fluorine-19 (F-19) has 9 protons. Determine the number of neutrons in this atom.
Question 8
8.
There are _______ neutrons in this lithium atom.
Question 9
9.
Which particles have almost the same mass?
All three particles
Proton and electron
Proton and neutron
Electron and neutron
Question 10
10.
Which of the following represents a pair of isotopes?
14
C and
14
N
14
C and
12
C
16
O and
16
O
2-
23
Na and
23
Na
+
Question 11
11.
If an atom has 17 protons, 18 neutrons, and 17 electrons, what is the mass of this atom?
17
18
52
35