A
The smallest unit of matter
Atom
Atom comes from...word
Greek word
Type of atom
Metals, nonmetals, metaloids
An atom consists of
proton, electron, dan neutron
Atomic number = Number of...= Number of...
Atomic number = Numbers of Electron = Numbers of Proton
Atom comes from Greek word “atomos” which means....
“indivisible” or cannot be broken down
What is Name, atom number, mass number of H?
Name: Hydrogen
Atom Number: 1
Mass Number: 1
Symbol of atom Argon
Ar
Proton Number of atom Am
95
Symbol and atomic number of atom Nickel
Symbol: Ni
Atomic Number: 28
Mass number of atom Fe
26
Type of atom Og
Metals
Atom that have atomic number 29
Cu
Proton numbers of atom Cn
112
Name of atom Zn
Zinc
Name of atom Ga
Galium
Numbers of Neutron =
Numbers of Neutron = Z (Massa atom) - A (Nomor Atom)
Neutron Numbers of atom Au
197-79 = 118
Neutron numbers of atom Y
50
Electron number of atom Hg
80
Neutron Number of atom Be
Z (Atomic Mass)- A (Atomic Number) = 9-4=5
Name, Atom Number, Mass Number, Electron Number of atom Po
Name: Polonium
Atom Number: 84
Mass Number: 209
Electron Number: 84
Type of atom At
Nonmetals
Electron Number, Proton Number, Neutron Number of atom Er
Electron Number: 68
Proton Number: 68
Neutron Number of atom Er:99
Neutron number of atom S
32-16=16