Periodic table & atomic structure

Atomic mass

• The number of protons

• The number of neutrons and electrons

• The number of electrons

• The number of protons and neutrons

Atomic number

• Number of protons

• Number of protons and neutrons

• Number of neutrons

• number of neutrons and electrons

Groups on the periodic table are

• The metals

• The non- metals

• The columns

• The rows

Groups on the periodic table all have

• The same number of electron shells

• The same number of neutrons

• The same number of valence electrons

• The same number of electrons

Periods on the periodic table are:

• The columns

• The rows

• The groups

• The series

Periods on the periodic table all have

• The same number of electron shells

• The same number of electrons

• The same number of valence electrons

• The same number of neutrons

The symbol for calcium is

• Co

• CA

• CU

• Ca

the symbol for sodium is

• S

• Ne

• So

• Na

The symbol for Chlorine is

• C

• Cl

• CL

• Ci

The electron configuration rule is

• 2,8,12

• 2,8,8,8

• 2,8,16

• 2,8,8