8.5D Chemical Formulas (Pre)
Quiz
•
Science
•
6th - 8th Grade
•
Medium
Standards-aligned
Amanda James
Used 81+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
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