Writing Formulas

Writing Formulas

11th Grade

15 Qs

quiz-placeholder

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Writing Formulas

Writing Formulas

Assessment

Quiz

Science

11th Grade

Practice Problem

Hard

NGSS
MS-PS1-1

Standards-aligned

Created by

Lisa Thompson

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The chemical formula for an ionic compound of potassium and oxygen is

KO.

K2O.

K2O2.

KO2.

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Hydrochloric acid, commercially known as muriatic acid, has the chemical formula ________.

HCl

HClO

HClO2

HClO3

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solid carbon dioxide, more commonly known as dry ice, has the chemical formula _______.

CO

CO2

CO3

CH4

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Tetraphosphorus trisulfide has the chemical formula ________.

P3S4

P4S3

F3S4

F4S3

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How do the following two elements bond together?
Na1+  F1-         

NaF

NaF3

Na3F

Na1F2

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When adding a subscript to a polyatomic ion, you should...

multiply any subscripts on the polyatomic ion by the subscript you are adding

put parentheses around the polyatomic ion before adding a subscript

write the new subscript next to any subscripts on the polyatomic ion

put the polyatomic ion in square brackets before adding the subscript

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When writing chemical formulas, how do you know it is a polyatomic compound?

The word acid is in its name

Its name ends in

-ate or -ite

Its name has roman numerals

Its name ends in

-ide

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