periodic "trends"
what is the brain of the atom?
the nucleus
what is the symbol for the element silver?
Ag
what is the symbol for the element hydrogen?
H
used for ballons?
helium
who created the first periodic table?
Dmitri Mendeleev
which particle has no charge?
the neutron
what is the symbol for the element iron?
Fe
what is the symbol for the element oxygen?
O
needed for strong teeth and bones?
calcium
what is the way that the periodic table is set up/arranged?
by atomic number
which particle had a positive charge?
the proton
what is the symbol for the element lithium?
Li
what is the symbol for the element zinc?
Zn
needed to breathe?
oxygen
which elements give off small particles?
radioactive elements
which particle has a negative charge?
the electron
what is the symbol for the element nickel?
Ni
what is the symbol for the element mercury?
Hg
needed for cleaning pools and getting rid of all the germs?
chlorine
which are the elements that are made/created in a lab?
synthetic elements
which subatomic paritcle is not inside the nucleus?
the electrons
what is the symbol for the element copper?
Cu
what is the symbol for the element lead?
Pb
needed to make blue glass?
cobalt
which scientists tried to turn lead into gold?
alchemists