Right side of staircase line
What is metals
Dmitri Mendeleev
First column on the periodic table
What are the Alkali Metals
Most reactive metal
What is Francium
A measure of the distance between the nucleus and outer shell of electrons
What is atomic radius?
Nonmetal on the wrong side of the stair case line
What is Hydrogen
Russian
Most reactive nonmetals
What are the Halogens?
Period 2 element with the smallest atomic radius
What is Neon?
A measurement of how close together the particles are within a material.
What is density?
Elements touching the staircase line
What are the metalloids
Mass and properties
How was the first periodic table organize?
Group that Iron belongs to
What are the transition elements
Element with the most mass.
What is Oganesson?
The temperature where a liquid turns to a gas
What is boiling point?
Henry Moseley
Who created the modern periodic table?
Name for the nitrogen family
What are the pnictogens?
Element with the largest electronegativity
What is Fluorine?
A measurement of how attracted protons are to electrons in a bond.
Elements that don't have luster, conductivity, or ductility
What are nonmetals
Column of element that was added on later to Dmitri Mendeleev's periodic table
What are the Noble Gases
Row that uranium belongs to.
What is the actinide series?
Period 4 element with the lowest ionization energy
What is potassium?
The amount of energy required to remove an electron.
What is ionization energy?