Groups
What is the name of group 18 on the periodic table?
The noble gases
What element has the highest electronegativity?
Florine (4.0)
Who created the first periodic table?
Dimitri Mendeleev
A ________ is another name for a row (left to right) on the periodic table.
Period
This family consists of ALL INERT gases.
The Noble Gases
What is the name of group 17 on the periodic table?
The halogens
What element has the lowest electronegativity?
Francium (0.8)
Who reorganized the earliest periodic table by atomic number instead of atomic mass?
Henry Moseley
A _______ is another name for a column (top to bottom) on the periodic table.
Group
What are the electrons called on an atom's outermost ring?
Valence electrons
What is the most reactive group on the periodic table?
The alkali metals
Why do the noble gases not have electronegativity?
They have a full octet in their valence shell and are completely unreactive.
Does the ATOMIC RADIUS increase or decrease across a period?
Decrease
Which of the following has the largest atomic radius?
a) Calcium
b) Iron
c) Nickel
d) Krypton
a) Calcium
Define: Atomic Radius
The radius from the nucleus to the valence electrons.
Which group has a full octet of electrons?
The Noble Gases
What is Ionization Energy?
The energy to remove an electron.
Does the ATOMIC RADIUS increase or decrease down a group?
Which group has one valence electron and contains soft, silvery, active metals?
a) Alkali Metals
b) Alkaline-Earth Metals
c) Transition Metals
d) Halogens
What happens to electronegativity as you move DOWN A GROUP on the periodic table?
Electronegativity DECREASES as you move top to bottom on the periodic table.
Which group contains Fluorine, Chlorine and Bromine?
Does IONIZATION ENERGY increase or decrease down a group?
What law states that the physical and chemical properties of elements are functions of their atomic numbers?
Which trend is a measure of the atom's ability to attract electrons in a compound?
Electronegativity
What happens to electronegativity as you move ACROSS A PERIOD on the periodic table?
Electronegativity INCREASES as you move from left to right.