
Counting Atoms: Molecular Structure
Authored by Jarom Grigg
Science
8th Grade
NGSS covered
Used 10+ times

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53 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the smallest unit of an element that retains the properties of that element?
Molecule
Atom
Compound
Mixture
Tags
DOK Level 1: Recall
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many hydrogen atoms are in a single molecule of water (H₂O)?
1
2
3
4
Tags
DOK Level 1: Recall
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a simple molecule?
NaCl
C₆H₁₂O₆
H₂O
C₂H₅OH
Tags
DOK Level 2: Skill/Concept
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
MgCl
MgCl₂
Mg₂Cl
Mg₂Cl₂
Tags
DOK Level 2: Skill/Concept
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify the number of oxygen atoms in 3CO₂.
3
6
9
12
Tags
DOK Level 2: Skill/Concept
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes a molecule?
A single atom
A group of atoms bonded together
A mixture of different elements
A pure element
Tags
DOK Level 2: Skill/Concept
7.
DRAW QUESTION
3 mins • 1 pt
Draw a simple model to represent the molecular structure of methane (CH₄).

Tags
NGSS.MS-PS1-1
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