Chemistry Semester

Chemistry Semester

9th - 12th Grade

65 Qs

quiz-placeholder

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Chemistry Semester

Chemistry Semester

Assessment

Quiz

Chemistry

9th - 12th Grade

Hard

NGSS
HS-PS1-7, HS-PS1-4, HS-PS3-4

+11

Standards-aligned

Created by

Charles Martinez

FREE Resource

65 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the molar mass of Ca(NO3)2?
164.03 g/mole
228.32 g/mole
150.02 g/mole
218.05 g/mole

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the molar mass of B2(CO3)3?
81.632 g/mol
94.842 g/mol
38.822 g/mol
201.648 g/mol

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many moles of molecules of F2 in 18 x 1023 molecules of F2 ?
18 x 1023 / 6 x 1023
18 x 1023 / 2
18 x 1023 x 6 x 1023

Tags

NGSS.HS-PS1-7

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many liters of gas are there in 44 g of bromine gas at STP?
3.5 L
10.54 L
12.34 L
6.17 L

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the mass of 6.7 moles of H2O?
110 g
120 g/mol
120 g
120 mol

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A container with a volume of 893 L contains how many moles of air at STP?
20003.2 L
39.9 L
22.4 L
none of the choices

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Balance this equation:  ___Al2O3 ---> ___Al + ___O2 
Cannot be balanced
2Al2O3 ---> 2Al + 3O2 
2Al2O3 ---> 4Al + 3O2 
3Al2O3 ---> 2Al + O2 

Tags

NGSS.HS-PS1-7

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