Chemistry midterm review
Authored by Tim Boggs
Science
11th Grade
NGSS covered
Used 3+ times
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68 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Iron(II) oxide is shown in which of the following formulas?
FeO
FeO₂
Fe₂O
Fe₂O₃
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The charge on the selenium ion when it combines with calcium to form CaSe is:
2-
1-
0
1+
2+
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chlorate is a polyatomic ion. Which of the following best describes chlorate?
when it forms an ion it has a charge of 2+
it has 3 atoms of chlorine
it has three atoms of oxygen
it has a combining capacity of +1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A solution has a pH of 6.2, if its hydrogen ion concentration is increased by 1000 times, what would its new pH be?
4.2
8.2
9.2
3.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A solution has a pH of 6.2, if its hydroxide ion concentration is increased by 1000 times, what would its new pH be?
4.2
8.2
9.2
3.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many atoms of oxygen are in the compound Cu(NO₃)₂?
1
3
5
6
2
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for ammonium phosphate?
(NH₄)₃(PO₄)₃
NH₄(PO₄)₃
(NH₄)₃PO₄
3(NH₄)PO₄
Tags
NGSS.MS-PS1-1
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