Groups and Periods
How many total periods are there on the periodic table?
7
Looking at the periodic table, what determines the number of valence electrons present?
Group #
Which element in Period 2 has the largest atomic radius?
Lithium
How does a neutral atom become an ion?
loses or gains electrons
What is the term for an atom with a charge?
ion
How many total groups are there on the periodic table?
18
How many valence electrons to group 16 (6A) elements have?
6
Which element in Group 2 has the largest atomic radius?
Radium
Metals (left side of periodic table except Hydrogen) tend to _________ one or more electrons.
lose
What do we call a positive ion?
cation
Which element is located in Group 2, Period 3?
Magnesium
How many valence electrons does Calcium have?
2
Which of the following has the highest electronegativity? Li, Be, Si, Cs, Ge, or Cl
Cl
Nonmetals on the right side of the periodic table (except the noble gases) tend to _______________ one or more electrons.
gain
What do we call a negative ion?
anion
Which element is located in Group 18 (8A), Period 4?
Krypton
All noble gases have 8 valence electrons, with one exception. What element is the exception?
Helium
Which element in Period 3 has the highest ionization energy?
Cl
What charge will Calcium become once it's lost/gained electron(s)?
2+
What do we call the electrons in the outermost energy level of an atom?
valence electrons
Which group are halogens located in?
17 or 7A
How many valence electrons does Carbon have?
4
Which element in Period 5 has the lowest ionization energy?
Rb
What charge will Fluorine become once it's gained/lost electron(s)?
1-
What do we call the energy required to remove an electron?
ionization energy