What is the name
of this element?
of this element?
Fe
Iron
Cobalt
Co
Xenon
54
79
Au - Gold
_______ - The subatomic particle that has a positive charge
Proton
Ca
Calcium
Hydrogen
H
Helium
2
47
AG - Silver
There are currently ____ elements on the periodic table.
118
Rn
Radon
Uranium
U
Radium
88
It has 26 protons and 30 neutrons.
Fe - Iron
_______ - The subatomic particle that has a negative charge
Electron
Zn
Zinc
Iodine
I
Clorine
17
77
Ir - Iridium
Elements are listed by their _________ number
Atomic
Ti
titanium
Argon
Ar
Plutonium
94
It has 13 protons and 14 neutrons.
AL - Aluminum
_____________________ developed the periodic table, arranging chemical elements by atomic mass.
Dmitri Mendeleev