The Periodic Table
"What's in a... Square"
It's all in the family...
Organization is the Key!
Can't Get Smaller than This!
100
The modern periodic table organizes elements according to this.
What is increasing atomic number?
100
Groups on the periodic table go in this direction.
What are columns (up and down)?
100
The hippies are known to be very_______ because they want to live with less.
What is reactive?
100
The horizontal rows on the periodic table.
What are periods?
100
The atomic mass represents this.
What is the number of protons in the atom?
200
What trend increases as you move from the middle of the periodic table to EITHER the left side or the right side in a period?
How reactive the elements are! Period 1 and Period 7 are VERY reactive!
200
The number of electrons you would expect to find in this element.
What is 92?
200
The greedy ones are are this family.
What are the halogens?
200
The number of groups on the periodic table.
What is 18?
200
The part of the atom that has no mass.
What are electrons?
300
The three parts included for every element of the periodic table.
What is the atomic number, the atomic mass, and the chemical symbol?
300
How to go from atomic mass to mass number.
What is round to the nearest whole number?
300
Lanthanides are commonly used for this.
What is lighting?
300
The vertical columns on the periodic table.
What are groups or families?
300
The particles found in the nucleus.
What are protons and neutrons?
400
Periodic means this.
What is repeated in a pattern?
400
The abbreviation in the middle of the square is this.
What is the chemical symbol.
400
The reason that noble gasses can be thought of as snobs.
What is their natural nonreactivity?
400
Number of periods on the periodic table.
What is 7?
400
The most dense part of the atom.
What is the nucleus?
500
The elements that lanthanides are sandwiched between
What are La (Lanthanum) and Hf (Hafnium)?
500
The number of neutrons in this element. 
What is 146?
500
The chameleons are known for this.
What is looking like metals but behaving like non-metals?
500
This increases from left to right across a period.
What is the atomic number?
500
The charges of the three subatomic particles are this.
What is positive protons, negative electrons, and neutral neutrons?
600
The name of the person that is responsible for the arrangement of the current periodic table of elements.
Who is Dmitri Mendeleev?
600
The reason atomic masses are decimals.
What is that they are the average mass of all the isotopes?
600
Three reasons that the actinides can be thought of as monsters.
They are large, unstable, not naturally occurring, and radioactive?
600
Elements in the same group share these characteristics.
What are chemical and physical properties?
600
The unit of mass used to measure subatomic particles.
What is the AMU or Atomic Mass Unit?