Fill in the Blank
Nuclear __________ is carried on by the sun.
Fusion
Vertical columns of the periodic table
Groups (or families)
How many electrons are in level 1 of Carbon (6)?
2
Forms compounds that are conductive when dissolved in water
ionic
An 8.33% salt water solution weighs 215g. How much does the salt weigh?
17.9
___________ radiation has the weakest penetrating power.
Alpha
Potassium is an example of an _________ metal.
Alkali
How many electrons are in level 2 of Lithium (3)?
1
Only forms between nonmetals
Two liquids that will not dissolve when mixed are ________ liquids
immiscible
Nuclear power plants operate off a controlled chain reaction produced by the _________ of radioactive material.
Fission
Metalloids are often referred to as ____________
Semiconductors
How many electrons are in the outermost level of Phosphorous (15)?
5
Electrons are free to move
______ acids dissociate completely
Strong
During alpha decay, an atom emits a ________ nucleus.
Helium
Halogens
How many electrons does Lithium (3) have in level 3?
0
Electrons are transferred
Ionic
What is the pH of an acid?
Less than 7
A ________ particle forms when one neutron disintegrates into one proton and one electron.
Beta
Carbon family
How many electrons can be in the second level?
8
May form solids with low melting points
Covalent
Salt is placed on icy roads to __________ the freezing point.
Lower