what are isotopes?

what is the atomic number?

what is the charge of and mass of and electron?

what is a atomic mass?

what is the charge and mass of a neutron?

what is the charge and mass of protons?

how are the elements arranged in the periodic table?

on the periodic table were is the line between the elements that are metal and those that are non-metal?

how many metals are in period 3?

what do electrons do?

how are electrons arranged in a electron configuration?

what are the rules for electron configuration shells?

DRAW the calcium electron configuration.

now WRITE the written configuration for calcium.

what does the group number and period number show in a electron configuration?

how are elements arranged in the periodic table?

define what an ion is?

what are ions and how are they formed

DRAW the sodium ion configuration.

how are the group numbers linked to ion charge (in positive +)?

how are the group numbers linked to ion charge (in negative -)?

why is group 0/8 special?

what is ionic bonding (draw)?

state the fundamental particles found in a nucleus.

state the fundamental particle found in shells around the nucleus.

why are atoms neutral.

why are electrons not included in the mass number?

Describe the similarities between oxygen-18 and oxygen-16.

Describe the differences between oxygen-18 and oxygen-16.