Chemical Composition

Chemical Composition

9th - 10th Grade

18 Qs

quiz-placeholder

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Chemical Composition

Chemical Composition

Assessment

Quiz

Chemistry

9th - 10th Grade

Easy

Created by

Daniel Lamela

Used 6+ times

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18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a mole?

6.022 x 1023 particles of any substance

A small burrowing animal

A dark spot on your skin

A spy

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An element's molar mass can be found on what part of an element's entry on the periodic table?

atomic number

atomic mass

group number

it can't be found on the periodic table

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these elements has the highest molar mass?

Hydrogen

Iron

Carbonate

Cobalt

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the molar mass of Mg3N2?

191.6 g/mol
76.64 g/mol
38.32 g/mol
100.95 g/mol

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many moles of carbon atoms are there in 5g of carbon?

60 mol
17 mol
0.42 mol
7 mol

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many moles are there in 12.7g of CaF2?

0.20 mol
1,000.76 mol
6.14 mol
0.16 mol

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the mass of 9.4 moles of B2(Cr2O7)3?

6.41 x 1022g
5.67x1024 g

4349.11 g

6,294. g

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