The Periodic Table Flashcards
An ___ ____ is an element present in group 1A of the periodic table defined by their reactivity and having ___ valence electron.
Alkali Metals, 1
Alkali metals are ____ reactive which is why they are ___ found by themselves as a single element.
very, rarely
Alkali metals form ____ with water capable of ____ acids.
strong bases, neutralizing
Alkali metals have high _____ and ______ conductivity.
thermal and electrical
Alkali metals have ____ ionization energy, ___ electron affinity, and ___ electronegativity.
low, low, low
Alkali metals react readily with ____.
nonmetals
____ the energy change that occurs when an atom gains an electron.
electron affinity
a measure of the ability of an atom to attract the electrons in a bond
electronegativity
_____ are elements found in group IIA that share properties characteristic of ____ but form ____ when reacted with water and ions with a ___ oxidation state.
Alkaline earth metals, metals, hydroxides, +2
Alkaline earth metals are ___ conductors of electricity.
good
Alkaline earth metals have __ ionization energy, ____ electron affinity, and ___ electronegativity.
low, low, low
____ are nonmetallic elements found in group VIIA forming ___ ions and have __ valence electrons.
Halongens, -1, 7
Halogens are ___ reactive. These elements are constantly trying to ____ their octet by gaining 1 additional electron.
highly, complete
Halogens are reactive toward ___ and ____ metals.
alkali, alkaline earth
Halogens have ___ ionization energy, ___ electronegativity, and ___ electron affinity
high, high, high
Metals are found on the ___ side and ___ of the periodic table.
left side and middle
With the exception of ____, which is ___ under standard conditions, metals are ____.
mercury, liquid, shiny solids
Metals have ___ melting points and ___ densities. They are ___ malleable and have ___ ductility.
high, high, highly, high
Metals have ___ effective nuclear charge, ____ electronegativity, a ___ atomic radius, ____ ionic radius, and ___ ionization energy.
low, low, large, small, low
Metals are good conductors of heat and electricity because their ______.
valence electrons are free to move.
Non-metals are found on the ___ of the periodic table.
upper right side
Non-metals have ___ ionization energy, ___ electron affinity, and ___ electronegativity. They have __ atomic radii and ___ ionic radii. They are ___ conductors of heat and electricity. They ____ give up electrons.
high, high, high, small, large, poor, do not easily
___ are the gaseous elements that occupy group VIIIA and are characteristically interactive due to a ___ valence shell.
Noble gases, full
Noble gases have very ___ melting and boiling points.
low
The ___ is the VIA group on the periodic table that contains oxygen.
oxygen group
The oxygen group contains ___ and ___. They have __ atomic radii and __ ionic radii.
non-metals and metalloids, small, large
the average distance between a nucleus and its outermost electron
atomic radius
the average distance from the center of the nucleus to the edge of its electron cloud
ionic radii
an element that has properties that are intermediate between those of metals and nonmetals
metalloid
