Periodic Table
What number tells you the number of protons and electrons?
Atomic Number
What is the name of element number 1?
Hydrogen
If the element has a positive charge, are you gaining or losing electrons?
Losing electrons
What is Group 18 called?
Noble Gas
How do you figure out the number of neutrons?
Subtract the atomic mass from the atomic number.
What element has an atomic mass of 16?
Oxygen
If the element has a negative ion, are you gaining or losing electrons?
Gaining electrons
What is Group 17 called?
Halogens.
Which way does Groups go?
Up and down
What is the name of the element with the elemental symbol Ar?
Argon
What is a positive ion called?
Cation
What are Groups 3-12 called?
Transition metals
Which way do periods go?
Left to right
Which element is located at Group 15 Period 3
Phosphorus
What is an negative ion called?
Anion
What is Group 1 called?
Alkali Metals
How can you determine the valence electrons?
The Group number
What element is located Period 5 Group 17?
Iodine
What is the total electrons for Ca 2+?
18 electrons
The Rare Earth Metals