Atomic Radius
Indicate which element in the pair has the greater atomic radius; sodium (Na) or lithium (Li).
sodium
Describe the periodic trends of Ionization Energy down a group and across a period.
Ionization Energy decreases down a group and increases along a period
What are the horizontal rows of the PT called?
period
Describe the trends of Electronegativity down a group and across a period on the table.
Electronegativity decreases down a group and increases across a period
How many valence electrons do the Group 1 elements have?
1
Describe the trend of Atomic Radius down a group and across a period?
increases down a group and decreases across a period
Which element has the greater ionization energy; magnesium Mg or strontium Sr?
magnesium Mg
What are the vertical columns of the PT called?
groups
What element is more electronegative; C or N?
N
How many valence electrons does Boron (B) have?
3
Indicate which element has the greater atomic radius; carbon C or germanium Ge.
germanium
Which element has the greater ionization energy: cesium Cs or aluminum Al?
aluminum
What is the family name of Group 1?
Alkali Metals
Which element is more electronegative; Mg or Ne?
Mg
How many valence electrons does Phosphorus (P) have?
5
Which element has the greater atomic radius; selenium Se or oxygen O.
selenium
What element has the largest Ionization energy?
He
What is the family name of Group 18?
Noble Gases
Which element is more electronegative; As or Ca?
As
How many valence electrons does Xenon have?
8
What is the element with the largest atomic radius?
Francium
What is ionization energy?
The energy required to remove an electron from the outermost shell of an atom.
What family is Calcium in?
Alkaline Earth Metals
Why don't the noble gases have electronegativity?
Because they don't typically bond.
What's a valence electron?
An electron in the outermost shell of an atom.