8.5D Chemical Formulas (Pre)

8.5D Chemical Formulas (Pre)

6th - 8th Grade

6 Qs

quiz-placeholder

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8.5D Chemical Formulas (Pre)

8.5D Chemical Formulas (Pre)

Assessment

Quiz

Science

6th - 8th Grade

Medium

NGSS
MS-PS1-1

Standards-aligned

Created by

Amanda James

Used 81+ times

FREE Resource

6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A model of a chemical compound is shown. What is the correct way to write the formula for this compound?

2HO

2H2O

H2O2

HO2

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

While elements and compounds are related, they are different. Unlike elements, compounds can be described as which of the following?

Consist of only one type of atom

Are the smallest form of a particle

Exist only as pure substances

Are made of at least two types of matter

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mrs. Davis has asked Kyle to retrieve a compound from the chemical cabinet. Which of the following should Kyle retrieve?

Water

Oxygen

Chlorine

Aluminum

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The chemical formula for a certain substance is shown here.

Be3Al2SiO36

How many different elements are present in the substance represented by the chemical formula shown?

4

7

15

29

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a chemical formula, what is used to indicate the number of atoms of each element?

Atomic number

Subscript

Coefficient

Atomic mass number

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A water molecule is made up of two hydrogen (H) atoms and one oxygen (O) atom. In a chemical equation, what would be the correct way to represent six water molecules?

6H2O

6HO2

2H6O6

12H6O

Tags

NGSS.MS-PS1-1