Lecture 2 Flashcards
1
Q
Protons
A
” + “
2
Q
Electrons
A
” - “
3
Q
Neutrons
A
Nuetral
4
Q
Ion
A
Charged
5
Q
Cation
A
positive charge
builds up to more complex
6
Q
Anion
A
negative charge
breaks down into simpler or base
7
Q
Physical Reaction
A
same thingt but looks different
ex: tearing paper
8
Q
Chemical Reaction
A
completly changed
ex: burning wood
9
Q
Covalent Bonds
A
strong bonds
share electrons
10
Q
Ionic Bonds
A
weak bonds
held by charge
11
Q
Molecules
A
two or more atoms
12
Q
Compunds
A
two or more different atoms
13
Q
ATP
A
energy
from food and oxygen
14
Q
Catalyst
A
speed up reactions
15
Q
enzyme
A
protien catalysts
16
Q
solution
A
solvent+solute
17
Q
solvent
A
water
18
Q
solute
A
water, sugar, ect.
19
Q
precipitates
A
solids where it should be liquid
20
Q
pH scale
A
0-14
21
Q
nuetral pH
A
7
22
Q
most acidic pH
A
0
23
Q
most alkaline pH
A
14
24
Q
normal blood pH
A
7.35-7.45
25
If pH number goes down?
H goes up
| more acidic
26
If pH number goes up?
H goes down
| more alkaline
27
pH scale definition
logarithmic scale used to specify the acidity or basicity of aqueous solutions
