Parts of the Atom
Subatomic particle that gives a POSITIVE charge
Proton
What is the name for Na?
Sodium
Hg
Mercury
How many protons does Sodium have
11
How many energy levels does Nitrogen have?
2
Subatomic particle that gives a NEGATIVE charge
Electron
What is the name for Al?
Aluminium
Si
Silicon
How many neutrons does calcium have if it has an atomic number of 20 and a mass of 40.
40 neutrons
What is the name of the series or group that contains Neon
Nobel Gas (Group 18)
Subatomic particle with no charge
Neutron
What is the name for Br?
Bromine
Pb
How many protons does iron have
26
The Lanthanides and Actinides are part of which 2 Periods (Rows) on the Periodic Table?
6 and 7
Type of electron on the outer most part of the shell
Valence Electron
What is the name for Ca?
Calcium
He
Helium
How many electrons does a neutral atom of Krypton have?
36
This element is the only nonmetal in its group. It lacks neutrons and is placed with above Group 1 because of its single valence electron.
Hydrogen
The center part of an atom
Nucleus
What is the name for W?
Tungsten
Au
Gold
What is the atomic mass of Potassium if it has 19 protons and 20 neutrons
39
This Russian Scientist arranged the elements in order of increasing relative atomic mass. When he did this he noted that the chemical properties of the elements and their compounds showed a periodic trend giving us our modern PERIODIC table.
Dmitri Mendeleev