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Empirical Formulae

Authored by Sara Sutcliffe

Chemistry

10th Grade

NGSS covered

Used 257+ times

Empirical Formulae
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10 questions

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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 empirical formula of this substance?

C2H3

CH3

C2H6

C2H2

Tags

NGSS.HS-PS1-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the empirical formula for hydrogen peroxide (H2O2)?

H2O

H2O2

HO

HO2

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which pair has the same empirical formula?

NaCrO4 and Na2Cr2O7
C2H4O2 and C6H12O6
C3H6Oand C2H6O2
CH4 and C2H6

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