This is measuring system based on 10
metric
this atomic particle has a positive charge
proton
These elements can conduct electricity
metals
The first shell of a Bohr model can hold this many electrons.
2
Any form of water falling from the sky is called this.
This is what you think will happen in an experiment
hypothesis
this atomic particle has a negative charge
electron
The rows on the periodic table are called this.
periods
An ionic bond is between a metal and what type of element?
non-metal
Water that does not soak into the ground and flows across the surface is called this.
Runoff
this is something that is changed in an experiment
variable
nucleus
the columns on the periodic table are called this.
periods
The electrons in the outermost shells are called this.
valence
This is the trapping of heat by gasses such as carbon dioxide. q
Greenhouse Effect
Hitting a foul ball in the same spot every time is an example of
precision
electron
This is the name of the non-reactive gasses in group 18
Noble Gasses
non-metals
The short-term conditions outside that change daily.
Weather
1000
This atomic particle has no charge
neutron
This is the group number of the alkaline earth metals
2
The second shell of a Bohr model can hold these many electrons.
8
This is the term for water vapor turning back into liquid water.
Condensation