What is the trend in ionization energy across the periodic table from left to right within any period?
The ionization energy increases
The ionization energy stays the same
The ionization energy decreases
Some are less and some are more
An unidentified element has many of the same physical and chemical properties as magnesium and strontium but has a lower atomic mass than either of these elements. What is the most likely identity of this element?
Sodium
Beryllium
Calcium
Rubidium
The periodic table shows the atomic raddii of some elements in periods 1 through4. Which inference can be made from this information?
Atomic radii decrease from left to right
Atomic radii increase from bottom to top
Atomic radii decrease from right to left
Atomic Radii double from top to bottom
Elements in Rows 3-12 are known as
Alkali
Alkaline
Transitionals
Halogens
Group 17 on the periodic table, known as the disinfectants are called
Alkali
Transitionals
Halogens
Noble Gases
Metals are found
on the left of the zigzag line
on the right of the zigzag line
touching the zigzag line
both a and b
Periods on the periodic table are found moving
vertically
horizontally
diagnol
on the bottom of the periodic table
Solids are what color on the periodic table
black
blue
red
white
The most unreactive gases known as noble gases are found in group
5
14
18
22
The elements in group II, have how many valence electrons
2
4
6
8
What are the bottom two rows that are isolated called
Alkalines
Halogens
Noble Gases
Inner Transitionals
The period of an element indicates the number of
orbital shells
protons
electrons
valence electrons
Valence electrons are the electrons
inside
outside
to the left
to the right
A lewis dot structure for Phosphorus would have a total of ____ dots, representing the valence electrons.
15
3
5
VII
An ionic bond is a bond between a
non metal and a non metal
metal and a non metal
a diatomic and a diatomic
metal and a metal
Cations
give electrons and are positively charged
give electrons and are negatively charged
accept electrons and are positively charged
accept electrons and are negatively charged
The number of neutrons for Aluminum are
3
13
14
None of the above
Elements in the Mendeleev's version of the periodic table were arranged in order of increasing
oxidation number
atomic mass
atomic number
number of neutrons
An ion is a
group
family
period
charged particle
The blue elements on the periodic table are
liquids
gases
solids
metalloids
Henry Moseley corrected the modern periodic table and organized it by
atomic number
atomic mass
neutrons
both a and b
There are four trends
covalent, ionic, metallic and non metallic
atomic radius, electronegativity, ionization energy and ionic radius
periods, families, core and valence
electronic radius, atomic energy, negative radii, and energized radii
Patterns that occur in the periodic table are known as
families
periods
groups
trends
Hydrogen, although it is a metal, will always form a __ bond