The name for the one or two letters on elements, example O, H, Ar, Na
What is the atomic symbol?
The 3 phases of matter.
What is solid, liquid, and gas?
What the vertical columns are called on the periodic table are called
What is a groups or families?
The three different forms of thermal energy transfer
Radiation, convection, conduction
The neutrally charge part of an atom.
What is a neutron?
A substance in this phase will always have the same shape and volume.
What is a solid?
The horizontal rows on the periodic table
The variable that is measured in an experiment
What is a dependent variable
When two or more elements are chemically bonded together
What is a compound
A substance in this phase will never have the same shape or volume.
What is a gas?
As the periodic table goes from the left to right, the reactivity of the elements increases or decreases?
What is decreases?
This is a combination of substances.
What is a mixture?
Waves that do not require a medium to travel through
What is an electromagnetic wave?
The only subatomic particle located outside of the nucleus.
What is an electron?
A substance in this phase takes the shape of it's container, but always takes up the same amount of space.
What is a liquid?
The section of the periodic table that has a very high boiling point
What is the middle
What is frequency?
As a substance changes from a solid to a liquid to a gas, the amount of thermal energy ______.
What is increases?
If we say that atoms typically have a neutral charge, the number protons _____ the number of electrons.
What is equal to?
The man-made state of matter that is incredibly dense
What is bose-einstein condensates?
The family of elements to the left of the noble gases
What is the halogens?
In a low-pitch sound, this will be very long
What is wavelength?
The electromagnetic wave that has the most energy and smallest wavelength
What is gamma waves?