The Periodic Table Flashcards
1
Q
How is the periodic table laid out?
A
SO THAT ELEMENTS WITH SIMILAR PROPERTIES FORM COLUMNS
2
Q
What are the vertical columns in the periodic table called?
A
GROUPS
3
Q
All the elements in a group all have what in common?
A
THE SAME NUMBER OF ELECTRONS IN THEIR OUTER SHELL
4
Q
What are the elements in Group 0/8 called?
A
NOBLE GASES
5
Q
What is the mass number?
A
SUM OF PROTONS AND NEUTRONS
6
Q
What is the atomic number?
A
NUMBER OF PROTONS/ELECTRONS
7
Q
What can atoms be represented by?
A
SYMBOLS