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Which atom is bigger- Na or Mg?
Sodium
Atomic radius _____ across the period
Decreases
Which atom is bigger- B, C, Al?
Al
Atomic radius _____ down the group
Increases
Who first created the periodic table and how was it arranged?
Who was Mendeleev; atomic mass
Highest Ionization Energy: Ge, Se, Cu, Br, Co
Br
Which is bigger- H or He?
H
Lower ionization energy: Po or Lv
Lv
Which is bigger- C,P or S?
S
The periodic table is currently arranged by?
What is atomic number
Elements in group 17 are referred to as
Halogens
Which element in Period 2 has biggest atomic radius?
Lithium
Which is bigger- Mg or Ca?
Ca
Highest ionization energy: Yttrium, Tin, Antimony, Iodine, Cadmium
Iodine
The vertical columns are referred to as
Group 1 is often called
Alkali metals
Biggest: Pt, Au, Cd, Sn, Rf, Sr
Rf
Smallest: Titanium, Vanadium, Ruthenium, Indium Sulfur
Sulfur
Atomic radius is the _____ distance between the atom’s nuclei and the _____ of the atom.
Shortest; Outermost shell
The horizontal rows are referred to as
Which atom has bigger atomic size- Cl or Ar?
Chlorine
Which element has the largest atomic size- F, O, S or Cl?
S
From the first 20 elements, which alkali metal has bigger atomic size?
Highest Ionization Energy: Ge, Se, Cu, Br, Co
Br
Elements in Group 18 are called?
What are noble gases