what is an atom?
the smallest particle of an element
briefly describe an atom?
a nucleus consisting of neutrons and protos surrounded by electrons
what is an molecule?
a group of two or more atoms chemically combined to form an identifiable unit
what is each atom made out of?
subatomic particles
what are the subatomic particles?
protons, neutrons and electrons
which of the subatomic particles are located in the nucleus?
neutrons and protons
what charge does the nucleus have?
positive
where in atom can you find electrons?
theyre located din the orbital paths in the shells
what is the mass of an electron?
its NEGLIGIBLE, hence the mass of an electron is centered in the nucleus (protons and neutrons)
what are masses of proton and neutron?
both are 1 (approximately)
what charges do the subatomic particles each have?
protons: POSITIVE, neutrons: NEUTRAL, electrons: NEGATIVE
what is the atomic number?
gives us the amount of protons in the nucleus
how can i get the amount of elctrons in an atom?
its the same as protons
