Periodic Table Review Flashcards
How many electrons can each shell have?
first shell - 2
second shell - 8
third shell - 8
Who founded the periodic table?
Dmitri Mendeleev
Fall to the left of the metalloid stairstep
Metals
Fall to the right of the metalloid stairstep
Nonmetals
Is Hydrogen a metal/nonmetal/ or metalloid?
Nonmetal
What elements are shiny/lustrous?
Metals
What elements are great conductors?
Metals
What elements are malleable?
Metals
What elements are ductile?
Metals
What do metals form? (think about electrons)
Cations
Which metal is not solid at room temperature?
Mercury
At room temperature most nonmetals are ___________ .
gases/liquids
What elements are dull?
Nonmetals
What elements have characteristics of metals and nonmetals?
Metalloids
What elements are poor conducters?
Nonmetals
What elements have solids that are brittle?
Nonmetals
What do nonmetals form? (think about electrons)
Anions
Groups are also known as _______.
families/columns
Periods are also known as _______.
Rows
What do groups tell you about the element?
Number of valence electrons/reactivity
What do periods tell you about the element?
Number of electron shells/energy levels in an element.
Group 1 is ________.
Reactive Alkali Metals
What element is not a Alkali Metal that is in group 1?
Hydrogen
Group 2 is _______.
Alkaline Earth Metals
What is less reactive than Alkali Metals?
Alkaline Earth Metals
1st row of inner transition metals are called ________.
Lanthanide Series
2st row of inner transition metals are called ________.
Actinide Series
What groups have valence electrons that vary?
Transition Metals
Group 7 is also known as __________.
Halogens
What group has the most reactive nonmetals?
Halogens
Which group has a full valence shell?
Noble Gases
Which group is least reactive?
Noble Gases
