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Chemistry midterm review

Authored by Tim Boggs

Science

11th Grade

NGSS covered

Used 1+ times

Chemistry midterm review
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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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