Carbon has 7 protons, 7 neutrons, 7 electrons, ____ atomic number, and an Atomic mass of 14.
What is 7?
100
One-half the distance between the nuclei of two atoms of the same element when the atoms are joined.
What is Atomic Radius
100
Horizontal rows in a periodic table
What is Periods?
200
This element has valence electron of 1 and has 3 electron shells full.
What is Potassium?
200
This group has elements that are stable.
What is Noble gases?
200
Sulfur's has an Atomic number of.
What is 16?
200
One of a class of elements that are good conductors of heat and electric current.
What is Metals
200
Vertical columns in a periodic table
What is Groups or Families?
300
This element is a liquid and nonmetal.
What is Bromine?
300
This element is not a metal in the Alkali metals group.
What is Hydrogen?
300
This element has an Atomic number of 79.
What is Gold?
300
Definition of Atomic Number
What is the number of protons in the nucleus of an atom of an element.
300
3 periodic trends..
What is Atomic Radii, Electronegativity, and Ionization energy?
400
This element's symbol is Cf.
What is Californium?
400
Transitional metals are located are between these groups
What is between groups 3 and 12?
400
which has a larger atomic number, Iron or Iodine.
What is Iodine?
400
A horizontal row of elements in the periodic table.
What is Period
400
Who created the periodic table?
Who is Mendeleev?
500
This element is not found in nature and is dangerous element, that is a inner transition metal and is in the Actinide series and has an atomic mass of 244.
(HINT: YOU STINK)
What is Plutonium?
500
This group contains Solids, 1 Liquid, and Gases.
What is Halogens or Group 17
500
Xenon(Xe)'s Atomic Number
What is 54?
500
Definition of Eletronegativity.
What is the ability to attract electrons.
500
Two ways the elements are arranged on a periodic table
What is by its Atomic Number and Valence electron?