Periodic Table
How is the periodic table prganized?
By atomic number (increases to the right)
I have 2 protons and 2 neutrons
Helium (He)
I am Silver (Ag), with 47 electrons. How many protons do I have?
47 protons
82
Pb
Lead
207.2
How many protons do I have?
82 protons
What does the atomic mass tell us?
The amount of protons and neutrons on a nucleus
I have 19 electrons, what am I?
Potassium (K)
I am Aluminum with 13 protons and an atomic mass of 27. How many electrons do I have?
13 electrons
94
Pu
Plutonium
244.064
How many electrons do I have?
94 electrons
What does the atomic number tell us?
The number of protons (and electrons if neutral) there are in an atom
I have 7 protons and neutrons, what am I?
Nitrogen (N)
I am nitrogen (N), with 7 electrons and a mass of 14. How many neutrons do I have?
7 neutrons
79
Au
Gold
196.967
What is my atomic mass?
196.967
What do the groups (vertical) tell us?
how many valence electrons there are
I have 14 neutrons and a mass of 28, what am I?
Silicone (Si)
I am Boron (B), with an atomic number of 5. How many valence electrons do I have?
3 valence electrons
14
Si
Silicon
28.086
How many neutrons do I have?
14 neutrons