What is the Law of Conservation of Mass?
SRG 2 Chemistry 2024

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Science
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7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The Law of Conservation of Mass states that in a chemical reaction, the mass of the reactants is equal to the mass of the products. This means that matter cannot be created or destroyed.
2.
FLASHCARD QUESTION
Front
What is condensation in terms of phase change?
Back
Condensation is the process by which a gas turns into a liquid when it cools down. It occurs when the temperature drops to the condensation point.
3.
FLASHCARD QUESTION
Front
What are the three main phases of matter?
Back
The three main phases of matter are solid, liquid, and gas. Solids have a definite shape and volume, liquids have a definite volume but take the shape of their container, and gases have neither a definite shape nor volume.
4.
FLASHCARD QUESTION
Front
What are electrons?
Back
Electrons are negatively charged subatomic particles that orbit the nucleus of an atom. They play a key role in chemical bonding and reactions.
5.
FLASHCARD QUESTION
Front
What is a chemical change?
Back
A chemical change is a process that involves the transformation of one or more substances into different substances with new chemical properties.
6.
FLASHCARD QUESTION
Front
What is a neutron?
Back
A neutron is a subatomic particle found in the nucleus of an atom. It has no electric charge and contributes to the mass of the atom.
7.
FLASHCARD QUESTION
Front
What is the boiling point?
Back
The boiling point is the temperature at which a liquid turns into a gas. It varies for different substances.
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