science test December >;( Flashcards
how many elements are found naturally on earth
92
whats a subatomic
smaller than a atom but no traits
how do you show sulfur and Iron bonding
two circles with a side ways eight going around
random
all the me comes from a small mid-western town - mark twain
what is physical scinece
the study of matter motion and energy
why study scinece
to learn about the univereses arounf us
an atom is the smallest
particle with traits
what subatomics make up the neuclues
protons and neutrons
proton charge
positive
electron charge
negitive
neutron vharge
neutrual
where is the electron loacted
outside of the nuclues
the example of something to large, rare, small is called
a model
the atomic number indentifies how many
the number of protons in the nuclues
if you knwo the amount of protons then you know
the atomic number
whats the short hand for an element called
atomic symbool
the atomic mass represents how many
protons ans neutrons are in atom
to find the number of neutrons subtract
the atomic mass ans protons
as you move down the perids what happnes
an orbital is added
the rows are called
periods
collums are callled groups pr families
groups of elements share
traits
an element is an atom with
specific traits
what makes a compund a compuond
its irriserable
whats peridoc
a pridcable pattern
how do you calculate atomic mass
by adding protons and neutrons
a chemical change is when an sunstance changes
when a substance changes becase it mixes with another sunstances\
what is it called when to substances are pured together
a hendrogenuis
