
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) transform 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, contributing to its overall structure and properties.
3.
FLASHCARD QUESTION
Front
How do the properties of substances relate to their atomic structure?
Back
The properties of substances, such as melting point, boiling point, and color, are influenced by their atomic structure, including the types and arrangements of atoms.
4.
FLASHCARD QUESTION
Front
What is the significance of the number of atoms in a repeating group?
Back
The number of atoms in a repeating group can affect the physical and chemical properties of a substance, such as its state (solid, liquid, gas) and reactivity.
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 the formation of new substances with different properties.
6.
FLASHCARD QUESTION
Front
What is the difference between a solid, liquid, and gas at room temperature?
Back
Solids have a fixed shape and volume, liquids have a definite volume but take the shape of their container, and gases have neither fixed shape nor volume.
7.
FLASHCARD QUESTION
Front
What is the melting point of a substance?
Back
The melting point is the temperature at which a solid becomes a liquid.
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