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


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