periodic table
what is the 78 element on the periodic table
platinum
what are the three types of matter
solid liquid gas
what is the pattern of electrons the first 3 shells can hold
2 8 8
who discovered the atom
dalton
what subatomic particle is surrounding the nucleous
electron
how many elements are in the periodic table
118
what is it called when liquid turns into gas
evaporation
what is a valence shell
outer shell of Bohr model
what did Thomson name his model
raisin muffin
what subatomic particle has no charge
neutrons
how many protons are in iodine
53
what state of matter has the most space between particles
gas
how many shells would fluorine have
3
who discovered the nucleus
rutherford
what is inside the nucleous
protons and neutrons
how many neutrons are in platnium
117
what is the melting and freezing point
0
when was the Bohr model made
1913
who found out energy levels
bohr
what subatomic particles are the same as the atomic number
protons and electrons
what is the ion charge in group 17
-
what is It called when gas turns to solid
sublimation
how many electrons would be in the outer shell of iron
8
when did Dalton discover the atom
1803
what subatomic particle has a negative charge
electrons