SS Chapter 9

SS Chapter 9

10th Grade

15 Qs

quiz-placeholder

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SS Chapter 9

SS Chapter 9

Assessment

Quiz

Science

10th Grade

Hard

NGSS
HS-PS1-1, HS-LS1-5, MS-PS1-4

+2

Standards-aligned

Created by

Lisa Thompson

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A chemical formula that shows the actual # and kinds of atoms present in one molecule of a compound is called_________

ionic formula

covalent formula

empirical formula

molecular formula

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An empirical formula:

is a formula that calculates the coefficients of a compound in a balanced equation.

is the simplest whole-number ratio of moles of elements in the compound.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

C2H4 What is the empirical formula?

CH

CH2

C4H2

C2H4

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the empirical formula for a compound which contains 32.8% chromium and 67.2% chlorine.

CrCl

CrCl3

Cr3Cl

Cr2Cl6

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A chemical formula that shows the actual # and kinds of atoms present in one molecule of a compound is called_________

ionic formula

covalent formula

empirical formula

molecular formula

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An empirical formula:

is a formula that calculates the coefficients of a compound in a balanced equation.

is the simplest whole-number ratio of moles of elements in the compound.

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

CH

CH_2

C_4H_2

C_2H_4

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