U8 Day 5-7 Entry CheckPoint Quiz

Presentation

•

Chemistry

•

10th Grade

•

Medium

•

NGSS

HS-PS1-7

Standards-aligned

Lara Schoener

Used 5+ times

FREE Resource

7 Slides • 8 Questions

Time to review!!

Connecting everything we have learned!

Have practice paper out or your notebook
Calculator and Periodic table are NEEDED!
Ask questions
Correct your mistakes

Drag and Drop

The formula for calculating percent composition is mass of the

divided by the mass of the

times

Drag these tiles and drop them in the correct blank above

element

compound

100

electron

proton

200

atom

300

gravity

bond

Multiple Choice

Which pair has the same empirical formula?

NaCrO₄ and Na₂Cr₂O₇

C₂H₄O₂ and C₆H₁₂O₆

C₃H₆O₃and C₂H₆O₂

CH₄ and C₂H₆

Fill in the Blanks

What is the mass of 0.75 moles of (NH₄)₃PO₄?

Use 2 numbers after the decimal for mass from the periodic table. Record to the correct number of sig figs and the unit.

N 3 x 14.01
H 12 x 1.01
P 1 x 30.97
O 4 x 16.00
149.09

Calculate the molar mass

Multiple Choice

What is the empirical formula for this compound?

C₆H₂N₆O₃

C₄HN₅O₁₀

CH₃NO₂

CH₅NO₃

Multiple Choice

What is the molecular formula for a compound with the empirical formula: K₂SO₄and a molecular mass of 696g.

K₂SO₄

K₈SO₁₆

K₈S₄O₈

K₈S₄O₁₆

Multiple Choice

What is the molecular formula if the empirical formula is CH₂O and the molecular molar mass is 180.18?

CH₂O

C₂H₄O₂

C₄H₈O₄

C₆H₁₂O₆

Drag and Drop

A chemist determines that 1.26 g of iron reacts with 0.54 g of oxygen to form rust. The percent composition of each element in the product is:

% iron and

% oxygen.

Drag these tiles and drop them in the correct blank above

70.0

30.0

3.4

2.23

42.9

57.1

Poll

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