Metals
Metals can be used in wire because they are _____?
ductile
Bonding that occurs when nonmetals share electrons
covalent
Metalloids are found where on the periodic table?
Zig Zag/ Stair steps
Vertical columns on the periodic table
groups
Synthetic means
not natural
A group of metals that has 2 electrons in its outer shell is the ______?
alkaline earth metals
sublimination
Malleable means
can be hammered into sheets
Horizontal rows on the periodic table
periods
In a lab or as byproducts of nuclear reactions
One of the only metals that is liquid at room temperature is _____?
mercury (Hg)
Nonmetals is group 18 are known as
noble gases
What is unique about the physical properties of metalloids?
have physical properties of both metals and nonmetals
Elements in group 17
Halogens
As a whole, synthetic elements are known to be very
unstable/reactive
The ability of metals to reflect light is referred to as _____?
luster
Why is hydrogen (a nonmetal) grouped with metals on the periodic table?
it only has 1 electron
Metalloids can be shiny or dull, but most have a metallic _____
luster
Elements in the 1st row of the inner transition metals
lanthanides
Actinides are commonly used to treat
cancer
Copper, silver, and gold are _____ metals because they are most commonly used in currency.
coinage
Which nonmetal group are known to be most reactive?
Halogens (group 17)
Name 6 metalloid elements.
boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), polonium (Po), tellurium (Te)
Elements in this group have 4 valence electrons
14
Synthetic elements are primarily used in research due to the fact that most are
radioactive