PS.4.a Test Correction

Quiz
•
Science
•
8th Grade
•
Hard
Standards-aligned

Alyssa Scrubb
Used 2+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Fluorine, Chlorine, and Iodine are all similar. They react in similar ways and are all toxic and very reactive. What best explains why they are all similar?
They have the same energy levels.
They have the same number of valence electrons.
They have the same number of protons.
They are different names for the same element.
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Elements in the same group share the same number of ____________________.
energy levels
valence electrons
protons
neutrons
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Allie and Benjamin were arguing about which elements would be the most similar. Allie stated that elements in the same period are the most similar because they have the same number of energy levels. Benjamin argued that elements in the same group are the most similar because they have the same valence electrons. Who is the most correct?
Benjamin
Allie
Both
Neither
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
What is the mass of the following atom? Enter only a number.
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Based on the picture, what best is the following model characterized as?
Isotope
Ion
Neutral Atom
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Using a periodic table, what is the name of the following atom?
Carbon
Oxygen
Magnesium
Silicon
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A Chlorine atom has an atomic number of 17. What is the period number of the chlorine atoms?
17
35
17
3
Tags
NGSS.MS-PS1-1
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