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Bio Chapter 2 Flashcards | StudBud
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Bio Chapter 2
Atoms that have an electrical charge are
Elements are
Bio Chapter 2
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1
Elements are
a substance that can't be chemically broken down into another substance
anything with mass that takes up space
the smallest unit that still retains properties of the high level
2
Atoms that have an electrical charge are
Compounds
Valence bonds
Covalent bonds
Ions
3
Making chemical bonds releases energy
False
True
4
Protons have a no electrical charge
True
False
5
What is chemistry the study of
Compunds
Matter
Elements
Atoms
6
Electrons have a negative charge
True
False
7
Energy can be destroyed
False
True
8
Neutrons have a positive charge
True
False
9
What are the four essential elements
nitrogen, sodium, oxygen, calcium
Carbon, nitrogen, oxygen, hydrogen
Sodium, potassium, calcium, chloride
hydrogen, oxygen, nitrogen, potassium
10
What are the three subatomic particles in atoms?
Electrons, Covalent bonds, and Hydrogen
Protons, Neutrons, Electrons
Protons, Ions, Electrons
Nucleus, Protons, Carbon
11
Bonds that fall apart in water and take electrons from other atoms
Ionic Bonds
Covalent bonds
Hydrogen bonds
Nitrogen bonds
12
Share valence electrons
Hydrogen bonds
Ionic Bonds
Covalent Bonds
nitrogen bonds
13
Breaking chemical bonds releases energy
True
False
14
Matter is anything with mass that takes up space
True
False
15
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Fine
16
Hydrogen bonds aren't true bonds but a temporary attraction between molecules
False
True
