Honor's Atomic Structure & Average Atomic Mass Quiz (10/23/2024)
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Last updated 6 months ago
13 questions
Required
4 points
4
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__________.
Required
4 points
4
Question 2
2.
The diagram of an atom below shows two regions, the nucleus (1) and the area surrounding the nucleus (2).
Required
3 points
3
Question 3
3.
The estimated average atomic mass of Silicon could be __________ amu because the __________ abundant isotope is __________.
Required
2 points
2
Question 4
4.
An atom has 7 protons, 7 electrons, and 8 neutrons. What is its atomic mass?
Required
4 points
4
Question 5
5.
If an element X has two isotopes: X-35 (75% abundance) and X-37 (25% abundance). If the atomic mass of X-35 is 34.9689 and X-37 is 36.9659, calculate the average atomic mass.
Required
2 points
2
Question 6
6.
Given the isotope of Oxygen-18, how many neutrons does this isotope have?
Required
2 points
2
Question 7
7.
Given the isotope of Carbon-12, how many neutrons does it contain?
Required
2 points
2
Question 8
8.
How many neutrons are present in an atom of Oxygen-18 (O-18) if it has 8 protons?
Required
2 points
2
Question 9
9.
An atom of Fluorine-19 (F-19) has 9 protons. Determine the number of neutrons in this atom.
Required
2 points
2
Question 10
10.
There are _______ neutrons in this lithium atom.
Required
2 points
2
Question 11
11.
Which particles have almost the same mass?
Required
2 points
2
Question 12
12.
Which of the following represents a pair of isotopes?
Required
2 points
2
Question 13
13.
If an atom has 17 protons, 18 neutrons, and 17 electrons, what is the mass of this atom?