Metals
the ability of metals to be hammered or flattened down
malleability
nonmetals are found on which side of the periodic table
right
Fuels like coal and gasoline
carbon
radioactive isotopes that can be followed through the steps of a chemical reaction
substances that can conduct electric current under some conditions but not under other conditions
semiconductors
the side of the periodic table where metals are mostly found
most nonmetals are _______ at room temperature
gases
80% of Earth's atmosphere is made of this element, it is also in fertilizer
Nitrogen
Marie Curie discovered which two radioactive elements?
Polonium and Radium
when a molecule is made up of two atoms, like nitrogen and oxygen
diatomic
metals are good conductors of what 2 things
heat and electricity
the only liquid nonmetal at room temperature
bromine
Why is oxygen so special?
It reacts with almost anything
particle made of two protons and two neutrons
alpha particle
the other element in the nitrogen family (Other than nitrogen)
phosphorus
the ability of metals to be drawn into wires
ductility
solid nonmetals are dull and ________
brittle
super reactive and *salty* element family
halogens
the length of time needed for half of the radioactive samples to decay
half-life
alloys
when a metal reacts with another atom what happens to its electrons
they usually lose them
when nonmetals react with other atoms what happens to their electrons
they gain or share electrons
unreactive element family
noble gases
when a neutron turns into a (-) charged particle and a proton
beta decay
stinky element in the oxygen family
sulfur