atoms
What is an atom
the smallest part of an element that still has the properties of that element
what are the vertical columns on the periodic table called
groups or families
what is the zig-zag line in between the metals and nonmetals called
metalloids
what is the max number of on the inner shell
2
what is luster
how shinny a metal is
what are the 3 parts of an atom
proton (+), neutron (no charge neutral), electron (-)
what are the horizontal rows on the periodic table called
periods
what is group 17 of the periodic table called
halogens
what is the max number of protons in the outer shell
8
what is malleability
being able to bend
where are the protons, and neutrons found in the atom
nucleus
what is the 1 group (farthest to the left) on the periodic table called
Alkali metals
what is group 18 of the periodic table (farthest to the right)
noble gases
what is the most reactive group of the metals
Alkali
what does it mean to be ductile
to be fit into wires
what is most of the atom made up of
empty space
what is group 2 of the periodic table called
Alkaline metals
true or false most of the periodic table is made up of metals
true
what is the most reactive group of nonmetals
halogens
being able to conduct heat or enery
true or false most atoms don't have a charge
true
what are the groups 3-12 in between the alkaline metals and metalloids called
transitional metals
as you move farther in what direction on the periodic table the metals become less reactive
right
what is a chemical property? what is a physical property
physical: -things like luster, malleability, ductile, conductivilty