C8.1 Flashcards
1
Q
What is the Periodic Table?
A
An arrangement of elements in periods and groups in order of increasing proton number / atomic number.
2
Q
What character changes occur across a period in the Periodic Table?
A
Change from metallic to non-metallic character.
3
Q
What explains the similarities in chemical properties of elements in the same group of the Periodic Table?
A
Their electronic configuration.
4
Q
What happens as you move down the periodic table
A
Number of electron orbitals increase
5
Q
What happens when you move across the group
A
Number of electrons in last orbital increase