2.1-2.3 Matter & Periodic Table Flashcard

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Science
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What is a compound?
Back
A compound is a substance that contains two or more elements bonded together.
2.
FLASHCARD QUESTION
Front
What is titanium's atomic mass?
Back
Titanium's atomic mass is 47.867.
3.
FLASHCARD QUESTION
Front
What is a molecule?
Back
A molecule is a group of two or more atoms bonded together.
4.
FLASHCARD QUESTION
Front
What period is Bromine (Br) in?
Back
Bromine (Br) is in period 4.
5.
FLASHCARD QUESTION
Front
What defines an isotope?
Back
An isotope is an atom that has gained or lost neutrons.
6.
FLASHCARD QUESTION
Front
What is the difference between an element and a compound?
Back
An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms bonded together.
7.
FLASHCARD QUESTION
Front
What is the atomic number of an element?
Back
The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.
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