This numeric identifier is equal to the number of protons.
What is the ATOMIC NUMBER!
100
Another name for "group" when looking at the periodic table.
What is FAMILY.
100
Valence shells added as you go down this.
What is A GROUP.
100
This can help you determine what the charge of an element is.
What is GROUP IN PERIODIC TABLE.
200
The periodic table was originally organized by
What is MOLAR MASS
200
Atomic Number of 99
What is EINSTEINIUM!
200
Group 2 metals are known as this
What is ALKALINE EARTH METALS
200
From left to right, the atomic radius does this.
What is DECREASES.
200
The charge of this subatomic particle is positive.
What is A PROTON.
300
The periodic table is currently organized by _____ _______.
What is ATOMIC NUMBER.
300
Name three things the periodic table can tell you.
What is ATOMIC NUMBER, ATOMIC MASS, GROUP, PERIOD, TYPE (metal, nonmetal, metalloid), NUMBER OF VALENCE ELECTRONS
300
DAILY DOUBLE!!!
If you get both parts of this question, you will get DOUBLE the points!
The name of the group 18 elements, and their stability and valence electron status.
What is NOBLE GASES, and FULL/STABLE.
300
This causes the atomic radius to increase as you go down a group.
What is ADDED ENERGY LEVELS.
300
These variations of elements are formed when a stable octet is formed from gaining/losing/sharing electrons.
What is an ION.
400
There are currently this many elements on the periodic table.
What is 118.
400
Name two trends found along the periodic table.
What is ELECTRONEGATIVITY (increases from left to right), and ATOMIC RADIUS SIZE (decreases from left to right, and increases from top to bottom)
400
The most reactive group of elements.
What is group 17, HALOGENS
400
The definition of "electro-negativity"
What is "AN ATOM'S ABILITY TO ATTRACT ELECTRONS"
400
When valence electrons interact, what type of bonds can form? (Name two).
What is IONIC or COVALENT.
500
The periodic table has been in use for this many years.
What is 144.
500
When examining mass, this can be developed if the amount of neutrons is different than the neutral version of the element.
What is an ISOTOPE
500
Say you're a group 17 element. Name an element from the group you are most likely to react with.
What is GROUP ONE ELEMENTS (Lithium, Sodium, Potassium, Rubidium, Cesium, or Francium)
500
The most electro-negative element.
What is FLUORINE!
500
Valence electrons are located on this outermost encasing.