Bohr and Lewis Dot
Quiz
•
Science
•
9th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
Enhance your content
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many electrons should Argon have around its Lewis dot model?
5
6
7
8
Answer explanation
Argon has 8 electrons in its outer shell, which corresponds to its position in Group 18 of the periodic table. This full outer shell makes Argon a noble gas, thus the correct answer is 8.
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many electrons should Potassium have around its Lewis dot model?
1
2
7
8
Answer explanation
Potassium (K) has an atomic number of 19, meaning it has 19 electrons. In its Lewis dot model, it has 1 valence electron in the outer shell, which is why the correct answer is 1.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many electrons should Calcium have around its Lewis dot model?
1
2
7
8
Answer explanation
Calcium (Ca) is in group 2 of the periodic table and has 2 valence electrons. In a Lewis dot model, these valence electrons are represented as dots around the element symbol, so Calcium should have 2 electrons.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many valence electrons?
2
3
4
5
Answer explanation
The element in question has 4 valence electrons, which is typical for elements in group 14 of the periodic table. This is why the correct answer is 4.
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many valence electrons?
2
3
5
10
Answer explanation
The correct answer is 5 because elements in group 15 of the periodic table, like phosphorus, have 5 valence electrons. This is determined by the number of electrons in the outermost shell.
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many energy levels does this element have
7
5
3
2
Answer explanation
The element in question has 3 energy levels, which correspond to the principal quantum number (n) values of 1, 2, and 3. This is typical for elements in the second and third periods of the periodic table.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many valence electrons does CA (Calcium) have?
4
1
2
3
Answer explanation
Calcium (Ca) is in group 2 of the periodic table, which means it has 2 valence electrons. Therefore, the correct answer is 2.
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