The way Mosely arranged the elements of the modern periodic table.
What is by atomic number (number of protons)?
The largest atom: Ca or As.
What is Ca?
The noble-gas electron configuration for Ge.
The atom with the largest electronegativity on the entire periodic table.
What is fluorine (F)?
Mendeleev boldy left these in his periodic table, and it confirmed the usefulness of his table.
What are blank spots for unknown elements?
The electron configuration for chloride ion (Cl-1).
What is 1s22s22p63s23p6?
The atom with the smallest first ionization energy: P or Mg
The charge of an ion of sulfur.
What is -2?
The rows of the periodic table.
What are periods?
The mass of 0.38 moles of copper?
What is 24 grams?
The atom with the largest electron affinity: Ba and Sr
What is Sr?
The most reactive nonmetals on the perioic table.
What are the halogens (group 17)?
The reason it takes so much more energy to remove carbon's fifth electron.
What is because the first four are valence electrons and the fifth one is a core electron?
The way in which the periodic table was first placed in order.
What is increasing atomic mass and chemical properties?
How many atoms are in 5.22 g of nickel?
What is 5.36 x 1022 atoms?
The following elements listed from smallest to largest atoms: K, Br, Ga, As
What is Br, As, Ga, K?
The location of elements that have the same number of valence electrons
What is the same group?
The number of bonds formed by an atom of selenium (Se).
What is 2?