Deck 1: Introduction: Why Biologists Need Chemistry

Question 1

A quantity has which two of the following components?

A) Size
B) Number
C) Value
D) Unit
E) Dimension

Answer 1

B,D

Question 2

Which of the following are measurements? Select any that apply.

A) Inch
B) 23
C) 23 inches
D) Metre
E) 1 mol

Answer 2

C,E

Question 3

Chemical nomenclature is set down by which of the following organizations?

A) RSC
B) IUPAC
C) ACS
D) FIFA

Answer 3

B

Question 4

Which of the following prefixes denotes the smallest multiple of ten?

A) micro
B) centi
C) milli
D) pico
E) deci

Question 5

The prefix nano represents which of the following?

A) 10^-2
B) 10^-3
C) 10^-6
D) 10^-9
E) 10^-12

Question 6

Rank the following prefixes in order of magnitude, with 1 being smallest, and 4 being largest.

Question 7

Rank the following prefixes in order of magnitude, with 1 being largest, and 4 being smallest.

Question 8

Which of the following quantities are equal to 0.4 cm? Select all that apply.

A) 4 mm
B) 4 * 10^-3 m
C) 4000 μm
D) 4 *10⁹ nm

Question 9

Which one of the following correctly evaluates 15 μm?

A) 1.5* 10^-5 m
B) 1.5 * 10^-7 m.
C) 15 * 10^-5 m
D) 0.15 * 10⁵ m