

Flashcard on Ammonia Molecule
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
Patricia Moody
FREE Resource
Student preview

9 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Is this model an element?
Back
No, it is not an element.
2.
FLASHCARD QUESTION
Front
Which term or terms can be used to describe this model: Is it a compound?
Back
Yes, it is a compound.
3.
FLASHCARD QUESTION
Front
Which term or terms can be used to describe this model: Is it a molecule?
Back
Yes, it is a molecule.
4.
FLASHCARD QUESTION
Front
What is the chemical formula for the molecule shown? Options: H2O, H2, NH, NH3
Back
NH3
5.
FLASHCARD QUESTION
Front
Does the rusting of a nail classify as a change to only the physical properties of iron?
Back
No, it is not accurate.
6.
FLASHCARD QUESTION
Front
Think about different mixtures that are in a kitchen. Which of the following is a homogeneous mixture? Sugar and water, Salsa, Salad, Oil and water
Back
Sugar and water
7.
FLASHCARD QUESTION
Front
What is the difference between a molecule and a compound?
Back
A molecule is a group of atoms bonded together, while a compound is a molecule that contains at least two different elements.
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