Biochemistry Flashcards
1
Q
Basic unit of matter
A
Atom
2
Q
Charged, different electrons
A
Ion
3
Q
Different neutrons and atomic mass
A
Isotope
4
Q
CHONPS elements stand for:
A
Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorus, Sulfur
5
Q
Outer ring of electrons are called:
A
Valence electrons
6
Q
Ionic bond is ___
Molecules have a ___ charge
A
transferred
positive and negative
7
Q
Covalent bond is ___
Molecules have a ___ charge
A
shared
neutral (ex. NaCl or salt)
8
Q
Electrons not equally shared between atoms makes water…
A
polar
9
Q
Partially negative charge
A
Oxygen
10
Q
Partially positive charge
A
Hydrogen
11
Q
water sticking to ITSELF
A
Cohesion
12
Q
water sticking to OTHER surfaces
A
Adhesion
13
Q
surface tension is caused by ___
A
cohesion
14
Q
capillary action is caused by ___
A
adhesion
15
Q
A mixture is 2+ substances but NOT ___
A
NOT chemically combined
