The Periodic Table and the Atom - The Periodic Table Flashcards
1
Q
how are the elements in the periodic table arranged
A
in order of atomic (proton) number
this makes elements with similar properties be in columns, known as groups
2
Q
what do elements in the same periodic group have
A
the same number of electrons in their outer shell, which is what gives them the similar properties
3
Q
how many outer electrons does each periodic table group have
A
group 1 has 1
group 2 has 2
etc….
