Science 10 Chemistry Unit Exam
Authored by Justin Schiltroth
Chemistry, Science
10th Grade
NGSS covered
Used 55+ times
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80 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
When metal atoms form ions, they tend to
gain electrons and form positive ions
lose electrons and form positive ions
gain electrons and form negative ions
lose electrons and form negative ions
Tags
NGSS.HS-PS1-2
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What does this diagram represent?
a nickel ion
a silicon atom
a nickel atom
A. an oxygen ion
Tags
NGSS.HS-PS1-1
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Which number represents an element in the halogen family?
1
2
3
4
5
Tags
NGSS.HS-PS1-1
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Which number represents an element that can be classified as a metalloid?
1
2
3
4
5
Tags
NGSS.HS-PS1-1
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
An experiment shows that an unknown element does not easily lose or gain electrons. Which unknown represents this element?
1
2
3
4
5
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Which number corresponds to a metal that belongs to the most reactive group of metals on the periodic table?
1
2
3
4
5
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Potassium hydroxide and barium chloride react to produce barium hydroxide and potassium chloride. The balanced equation for this reaction is
KOH + BaCl2 ——> BaOH + KCl
K(OH)2 + 2 BaCl ——> 2 BaOH + KCl2
KOH + BaCl ——> BaOH2 + KCl
2 KOH + BaCl2 ——> Ba(OH)2 + 2 KCl
Tags
NGSS.HS-PS1-7
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