Question 1

A quantity has which two of the following components?
A) Size
B) Number
C) Value
D) Unit
E) Dimension

Accepted Answer

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

Accepted Answer

C,E

Question 3

Chemical nomenclature is set down by which of the following organizations?
A) RSC
B) IUPAC
C) ACS
D) FIFA

Accepted Answer

IUPAC is the International Union of Pure and Applied Chemistry, which is responsible for setting down the rules for chemical nomenclature.

Question 4

Which of the following prefixes denotes the smallest multiple of ten?
A) micro
B) centi
C) milli
D) pico
E) deci

Accepted Answer

The prefix "pico" denotes 10^-12, which is the smallest multiple of ten among the given options.

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

Accepted Answer

The prefix "nano" represents 10^-9, which is one-billionth of a unit.

Question 6

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

Accepted Answer

The answer of Rank the following prefixes in order of...

Question 7

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

Accepted Answer

The answer of Rank the following prefixes in order of...

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 *10⁹nm

Accepted Answer

The answer of Which of the following quantities are equal...

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

Accepted Answer

The answer of Which one of the following correctly evaluates...

Quiz 1: Introduction: Why Biologists Need Chemistry

A quantity has which two of the following components?