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Biology Unit 2 - the chemical basics of life Flashcards | StudBud
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Biology Unit 2 - the chemical basics of life
Biology Unit 2 - the chemical basics of life
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Questions
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Answers
1
Ionic Bonds
are formed by transferring electrons
False
True
2
The key elements make up what percent of all living things?
96%
88%
85%
95%
3
What is the word used to describe 7 on the PH scale
neutral
half
middle
median
4
What is the chemically bonded compound
H2O
H
V
O
5
What is a Key element in Biology?
neon
carbon dioxide
nitrogen
helium
6
select the natural number on the pH scale
6
8
5
7
7
Electron configuration does not determine reactivity.
False
True
8
The definition of Solubility is Water dissolving various substances
False
True
9
Whats an example of an ionic bond
PeLc
NACI
CiAn
NaCI
10
The definition of a Buffer is to stabilize Nucleic acids
True
False
11
There is not a difference between Cohesion and Adhesion
False
True
12
Covalent bonds are formed by sharing electrons, essential for creating stable biological molecules.
True
False