UNIT 4. Measurement

Question 1

The preferred method of measurement in chemistry is…

Answer 1

The International System of Units

Question 2

SI system

Answer 2

SYSTEME INTERNATIONALE

Question 3

For length (or distance)

Answer 3

meter (m)

Question 4

(m) stands for

Answer 4

meter

Question 5

mass is

Answer 5

gram

Question 6

(g) stands for

Answer 6

gram

Question 7

(N) stands for

Answer 7

Newton

Question 8

weight (or force)

Answer 8

newton

Question 9

volume (or capacity)

Answer 9

liter

Question 10

(L) stands for

Answer 10

liter

Question 11

temperature

Answer 11

Kelvin

Question 12

(K) stands for

Answer 12

Kelvin

Question 13

time

Answer 13

seconds

Question 14

(s) stands for

Answer 14

seconds

Question 15

pressure

Answer 15

Newtons per square meter (N/m^2) Pascal

Question 16

electric current

Answer 16

ampere

Question 17

(A) stands for

Answer 17

ampere

Question 18

amount of substrate

Answer 18

mole

Question 19

(mol) stands for

Answer 19

mole

Question 20

Mnemonic for SI Prefixes:

Answer 20

Great Mighty King Henry Died By Drinking Chunky Milk Monday Night

Question 21

Great Mighty King Henry Died By Drinking Chunky Milk Monday Night, explain:

Answer 21

G- giga (G)
M- mega (M)
K- kilo (K)
H- hecto (h)
D- deca (da)
B- (base unit)
D- deci (d)
C- centi (c)
M- milli (m)
M- micro (µ)
N- nano (n)

Question 22

Dimensional analysis is

Answer 22

a mathematical method used to convert actual measured units into the units needed for the answer to a problem

Question 23

A conversion factor is…

Answer 23

the relationship between the two units.

Question 24

A conversion factor is also known as…

Answer 24

ratio.