Trends
Which one is bigger using the atomic radius trend?
Potassium or cobalt?
What is potassium?
This element has three valence electrons and is the largest when using the atomic radius trend.
What is thallium?
Who came up with the Law of Octaves?
Who is John Newlands?
What trend decreases as it goes down a group and increases as it goes across a period?
Answers vary.
What is electronegativity, ionic radii, ionization energy, or electron affinity?
This element is apart of the most reactive group of metals but acts like a nonmetal.
What is hydrogen?
Who was not given credit for his chart between the connections of atomic mass and elemental properties?
Who is Lothar Mayer?
Which one is smaller?
Calcium or Rubidium?
What is calcium?
This element has an oxidation number 3+ and in the electronegativity trend would be the second to smallest element.
What is indium?
What was one of the elements that Mendeleev predicted?
What is ekaaluminum, ekaboron, or ekasilicon?
Which one is bigger?
F or F-1
What is F-1?
This element is between the 13th and the 18th groups. It is the biggest element following the atomic radius trend and has to gain one more electron to be satisfied.
What is astatine?
In the 1790s, this person compiled a list of 23 known elements.
Who is Antoine Lavoisier?
Which one is smaller?
Ba+2 or l-
What is Ba+2?
Bonus~
1s2, 2s2, 2p6, 3s2, 3p6, 3d10, 4s2, 4p6, 4d10, 5s2, 5p6, 4f14, 5d4, 6s2
What is tungsten?
When did Henry Moseley discover that the elements fir into patterns better when they were arranged according to atomic number?
What is 1911?