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Chemistry
Chemistry
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Physical science practice-Chemistry
Flashcards
10 cards
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Practice quiz
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Questions
10
Answers
1
A property that you can observe with your senses is called what?
Chemical reaction
Atomic change
Chemical property
Physical property
2
What is the definition of matter?
Something solid
Substance that cannot be broken down into another substance
A compound
Everything that has matter & takes up space
3
What is the best definition of an element?
A metal
A collection of protons, neutrons, and electrons
Cannot be broken down into another substance.
An atom
4
2 or more substances mixed together but CAN be separated is called a what?
Mixture
Molecule
Compound
Element
5
How many neutrons does iron have?
118
56
26
30
6
Electrons travel along what?
Shells
Highways
Rings
Orbits
7
How many protons does nickel have?
87
20
59
28
8
What is the difference between a compound & a molecule?
A molecule has to have a nonmetal in it
Compound must have 3 elements
Comp has more than 1 element, molecule can have 2 of same.
A compound is metal
9
How many total atoms are there in the compound CaCO
3
, otherwise known as chalk?
5
1
3
2
10
What is the best definition of a chemical property?
Property in chemistry.
Describes how a substance reacts with other substances.
When something melts
Can be observed with senses
