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When the prefix milli is used in the metric or SI system, a fundamental unit of measurement is multiplied by what factor?
10^-3
10^-6
10^3
10^6
The volume of a gas sample is recorded as 0.0970 L. How many significant figures is this?
4
2
5
3
What is the total length of two pieces of rubber tubing which are 7.69 cm and 4.028 cm in length? Express this answer to the correct number of significant figures.
12 cm
11.72 cm
11.7 cm
11.718 cm
95.0°F is the same as:
171°C
21°C
85°C
35°C
If 75.0 g of water at 30.0°C absorbs 900 calories, the new temperature will be:
105°C
18.0°C
42.0°C
22.0°C
An atom with Z = 26 and A = 58 contains ________ protons and ________ neutrons.
32; 26
26; 58
26; 32
58; 26
An atom containing 47 protons, 47 electrons, and 60 neutrons has a mass number of __.
107
47
94
60
How many electrons can occupy the shell having n = 2?
8
2
6
18
The property defined as the energy released on adding an electron to an isolated gas phase atom is _____.
ionizatino energy
electron affinity
atomic number
electronegativity
Main group elements that are metals usually ________ one or more electrons to form ________, which have a ________ charge.
gain; anions; negative
lose; cations; positive
lose; anions; negative
gain; cations; positive
