Periodic Table Flashcards
1
Q
How is mendeleeves periodic table ordered
A
Ordered by atomic mass
2
Q
How is the modern periodic table ordered
A
Ordered by atomic number
3
Q
Around how many elements does the mendeleeves periodic table have
A
About 60
4
Q
How many elements does the modern periodic table have
A
Over 100
5
Q
Whats the similarities in mendeleeves period table and the modern periodic table
A
Elements are both grouped by chemical and physicals properties
6
Q
Define group in the periodic table
A
The amount of electrons on the outer shell
7
Q
Define a period in the periodic number
A
The amount of electron shells an element has