The Modern Periodic Table Flashcards
1
Q
How are Elements arranged ?
A
Elements are arranged in order of increasing atomic number ( number of p+ = e-)
2
Q
What does “ periodic mean
A
Repeating pattern
3
Q
Why do elements in the same group have very similar chemical properties ?
A
Because they have the same number if electrons in their outer shell
4
Q
What does the number of electrons in outer shell tells you ?
A
The group
5
Q
What does the number of shells tells you ?
A
The period
