ATS Chemistry: Empirical formulae

ATS Chemistry: Empirical formulae

10th - 11th Grade

10 Qs

quiz-placeholder

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ATS Chemistry: Empirical formulae

ATS Chemistry: Empirical formulae

Assessment

Quiz

Chemistry

10th - 11th Grade

Practice Problem

Medium

NGSS
MS-PS1-1, HS-PS1-3

Standards-aligned

Created by

Jessica Cross

Used 203+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the empirical formula of a substance with the molecular formula C2H4?

C2H2

C2H2

C1H1

CH2

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the empirical formula of a substance with the molecular formula NaCl?

Na2Cl

NaCl2

NaCl

Na2Cl2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the empirical formula of a substance with the molecular formula X20Y15?

X10Y15

X5Y3

X4Y3

X20Y15

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the empirical formula of a substance with the molecular formula Se8F12?

Se8F12

Se2F3

Se4F3

SeF

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the molecular formula of this substance?

C2H2

C2H2

C2H6

CH2

Tags

NGSS.HS-PS1-3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the empirical formula of this substance?

SO

SO2

S2O2

SiO2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the Mr of the compound Na2SO4?

142

140

71

172

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