Atomic Structure
What is the smallest unit of matter?
Atom
What are the 3 phases of matter?
What is the periodic table organizing?
The elements
What element is represented by the letter "H"?
Hydrogen
What charge does a proton have?
Positive
What is the center of the atom called?
Nucleus
Define the volume and shape of a solid.
Definite shape and volume.
What are columns called on the periodic table?
Groups
On which side of the "staircase" can metals be found?
Left
What charge does an neutron have?
Neutral, no charge
Where are the electrons located?
Electron Cloud
Define the volume and shape of a liquid.
Definite volume, will take shape of container.
What are rows called on the periodic table?
Periods
On which side of the "staircase" can non-metals be found?
Right
What charge does an electron have?
Negative
What subatomic particles are located in the nucleus?
Define the volume and shape of a gas.
Indefinite shape and volume.
Why are the elements placed in the same group?
They have similar characteristics/properties
What phase are a majority of the elements on the periodic table?
Solid
If an atom has 6 protons, what element is it?
Carbon
What is an element with a different number of neutrons called?
Isotope
Describe the kinetic energy for each phase.
Solid: slow, low energy
Liquid: average, medium
Gas: high energy, fast
Name a noble gas on the periodic table.
He, Ne, Ar, Kr, Xe, Rn
Which two elements are the only liquid ones of the periodic table?
Bromine and mercury
Which element is located in period 5 group 17?
Iodine (I)