Chemistry-Atoms on the periodic table Flashcards
O
oxygen
H
hydrogen
Cl
chlorine
Na
sodium
F
fluorine
C
carbon
He
helium
N
nitrogen
Cu
copper
S
sulfur
Mg
magnesium
Mn
manganese
Ne
neon
Br
bromine
P
phosphorus
Ag
Silver
Pb
lead
Fe
iron
Ca
calcium
K
potassium
Au
gold
Zn
zinc
Al
aluminum
I
Iodine
Sn
tin
Ni
nickel
Hg
mercury
matter
anything that has mass and takes up space
atom
smallest unit of an element that maintains the properties of that element
building blocks of matter
3 subatomic particles
protons, neutrons, & electrons
atoms of the same element are _____.
alike
Atoms of different elements consist of different amounts of _______, ________, & ________.
protons, neutrons, & electrons
What does it mean when an element has 0 net charge?
the atom element is neutral
what charge does a proton have?
positive
what charge does an electron have?
negative
what charge does a neutron have?
no charge
Which subatomic particles are located in the nucleus?
protons and neutrons
which subatomic particles have a mass of 1 AMU?
protons and neutrons
which subatomic particles have a mass so small it is counted as 0?
electrons
what does the number of protons identify?
what the atom is
how do you find the # of protons in an element?
of P= atomic #
how do you find the number of neutrons in an element?
atomic mass - # of protons = # of neutrons
which 2 subatomic particles are equal when an atom is neutral?
protons and electrons