
Amplify Chemical Reactions
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What are chemical reactions?
Back
Chemical reactions are processes where substances (reactants) are transformed into different substances (products) through the breaking and forming of chemical bonds.
2.
FLASHCARD QUESTION
Front
What is a repeating group of atoms?
Back
A repeating group of atoms is a specific arrangement of atoms that occurs multiple times in a substance, determining its properties.
3.
FLASHCARD QUESTION
Front
How do the properties of substances relate to their atomic structure?
Back
The properties of substances, such as color, smell, and melting point, are influenced by the types and arrangements of atoms in their structure.
4.
FLASHCARD QUESTION
Front
What is the significance of the number of atoms in a chemical substance?
Back
The number of atoms in a chemical substance can affect its properties; different numbers can lead to different physical and chemical characteristics.
5.
FLASHCARD QUESTION
Front
What happens when two substances are mixed together?
Back
When two substances are mixed, they can undergo a chemical reaction, resulting in new substances with different properties.
6.
FLASHCARD QUESTION
Front
What is the difference between a solid, liquid, and gas?
Back
Solids have a fixed shape and volume, liquids have a fixed volume but take the shape of their container, and gases have neither fixed shape nor volume.
7.
FLASHCARD QUESTION
Front
What is an example of a chemical reaction?
Back
An example of a chemical reaction is the mixing of vinegar and baking soda, which produces carbon dioxide gas.
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