Unit I Flashcards
Hydrogen (1)
H
Helium (2)
He
Lithium (3)
Li
Beryllium (4)
Be
Boron (5)
B
Carbon (6)
C
Nitrogen (7)
N
Oxygen (8)
O
Fluorine (9)
F
Neon (10)
Ne
Sodium (11)
Na
Magnesium (12)
Mg
Aluminum (13)
Al
Silicon (14)
Si
Phosphorus (15)
P
Sulfur (16)
S
Chlorine (17)
Cl
Argon (18)
Ar
Potassium (19)
K
Calcium (20)
Ca
Iron (26)
Fe
Copper (29)
Cu
Zinc (30)
Zn
Manganese (25)
Mn
Iodine (53)
I
Name the six biologically important trace elements.
- Iron
- Copper
- Zinc
- Manganese
- Iodine
- Fluorine
weight
a measure of the gravitational pull on an object
mass
a measure of the quantity of the material it contains (mass does not change)
What are the metric base units?
meter (m), liter (L), gram (g), second (s), Celsius (°C)
What are the International Standard (SI) base units?
meter (m), cubic meter (m3), kilogram (g), second (s), Kelvin (K)
tera (T)
1,000,000,000,000
10E12
1Ts = 1 x 10E12 s
1 s = 1 x 10E-12 Ts
giga (G)
1,000,000,000
10E9
1 Gm = 1 x 10E9 m
1 m = 1 x 10E-9 Gm
mega (M)
1,000,000
10E6
1 Mg = 1 x 10E6 g
1 g = 1 x 10E-6 Mg
kilo (k)
1,000
10E3
1 km = 1 x 10E3 m
1 m = 1 x 10E-3 km
deci (d)
0.1
10E-1
1 dL = 1 x 10E-1 L
1L = 10 dL
centi (c)
0.01
10E-2
1 cm = 1 x 10E-2 m
1 m = 100 cm
milli (m)
0.001
10E-3
1 ms = 1 x 10E-3 s
1 s = 1 x 10E3 ms
micro (u)
0.000 001
10E-6
1 mcg (ug) = 1 x 10E-6 g
1 g = 1 x 10E6 mcg
nano (n)
0.000 000 001
10E-9
1 nm = 1 x 10E-9 m
1 m = 1 x 10E9 nm
pico (p)
0.000 000 000 001
10E-12
1 ps = 1 x 10E-12 s
1 s = 1 x 10E12 ps
