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Semester 2 Review

Authored by Kyle O'Keefe

Chemistry

9th - 12th Grade

NGSS covered

Used 15+ times

Semester 2 Review
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37 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For the Balanced Reaction: 3 Mg + 1 Fe2O3 → 3 MgO + 2 Fe; What is the Ratio of moles of MgO to moles Fe?

3mol Mg / 2 mol Fe
2 mol Mg/ 3 mol Fe
1 mol Fe/ 2 mol Fe
3 mol MgO / 2 mol Fe

Tags

NGSS.HS-PS1-7

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

2Na + 2H2O → 2NaOH+ H2
How many grams of hydrogen are produced if 120 g of Na are available?

5.2 g
2.6 g
690 g
45 g

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is Avogadro's number?

6.02 x 1023

1 mole

600 million

6.02

Tags

NGSS.HS-PS1-7

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

How many moles are in 6.02 x 1023 molecules of H2O?

1 mole

2 moles

6.02 moles

602000000000000000000000 moles

Tags

NGSS.HS-PS1-7

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which has the most particles?

1 mole H2

1 mole Na1+

1 mole Al(OH)3

These are all the same

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What type of bond forms when 2 or more electrons are SHARED?

Covalent bond
Incomplete bond
Ionic bond
Metallic bond

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What type of bond forms between two or more atoms that are charged (+/-)?

Covalent bond
Incomplete bond
Ionic bond
Metallic bond

Tags

NGSS.HS-PS1-3

NGSS.HS-PS2-4

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