
Ch. 2 Chem Review for BIO
Flashcard
•
Biology
•
12th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an electron?
Back
A particle with energy that moves around the nucleus of an atom.
2.
FLASHCARD QUESTION
Front
What determines if a molecule is polar or non-polar?
Back
The distribution of electrical charge across the molecule.
3.
FLASHCARD QUESTION
Front
What is the volume of an atom mostly composed of?
Back
Empty space where electrons are likely to be found.
4.
FLASHCARD QUESTION
Front
How many protons does an atom with atomic number 6 have?
Back
6 protons.
5.
FLASHCARD QUESTION
Front
What distinguishes carbon-12 from carbon-14?
Back
They have a different number of neutrons.
6.
FLASHCARD QUESTION
Front
Define atomic number.
Back
The number of protons in the nucleus of an atom, which determines the element's identity.
7.
FLASHCARD QUESTION
Front
What is a neutron?
Back
A subatomic particle found in the nucleus of an atom, with no electric charge.
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