This man discovered that the periodic table makes more sense to be ordered by atomic mass
Who is Mendeleev?
100
Atomic size increases this way across a group in the periodic table?
What is top to bottom?
100
1s2 electron configuration is this element?
What is Helium?
100
Alkaline earth metals are in this group
What is Group 2A?
200
Good conductors of heat and electric current
What is a metal?
200
This man discovered that all elements have atomic numbers
Who is Henry Moseley?
200
As you go to left to right across the periodic table the atomic size generally does this
What is decreases?
200
The configuration for the highest occupied energy level of Potassium
What is 4s1?
200
Any nonmetal in Group 7A is called this
What is a halogen?
300
Measures the ability of an atom to attract electrons when the atom is in a compound
What is electronegativity?
300
The periodic table is now arranged by this
What is atomic number?
300
Ionization energy tends to decrease in this direction
What is top to bottom? or right to left
300
The configuration for the highest occupied energy level of Aluminum?
What is 3s2, 3p1?
300
One of these elements is a metalloid - As, Se, Br, Kr
What is As, Arsenic?
400
Elements in which the highest occupied s and p sublevels are filled
What are noble gases?
400
Name the law that states when elements are arranged in order of increasing atomic number, there is a periodic repetition of their physical and chemical properties
What is the periodic law?
400
Ionization energy tends to increase in this direction
What is left to right? or bottom to top
400
The configuration for the highest occupied energy level of Krypton
What is 4s2, 4p6?
400
One of the following atoms has the largest atomic radius - I, K, Ca, Rb
What is Rb, Rubidium?
500
The highest occupied s sublevel and a nearby f sublevel contain electrons
What are inner transition metals?
500
This man left spaces in his periodic table because he knew that there were elements that were missing that had not been found yet
Who is Dmitri Mendeleev?
500
Electronegativity values _______________ from left to right within a period.
What is increase?
500
The configuration for the highest occupied energy level of Oxygen
What is 2s2, 2p4?
500
A strontium atom loses two electrons to from an Sr2+ ion, the electrons are lost from this orbital