The Structure Of The Periodic Table Flashcards
1
Q
how is the periodic table arranged?
A
increasing atomic number
2
Q
what do periods have?
A
- the same highest energy electron shell in an element’s atom
3
Q
what similar properties do elements in the same period share?
A
- physical and chemical properties
4
Q
how did Mendeleev arrange the periodic table?
A
atomic mass
5
Q
what similar properties do groups share?
A
chemical properties
6
Q
why do groups share the same chemical properties?
A
they have the same number of valence electrons, outer shell electrons
7
Q
why do periods have the same physical and chemical properties?
A
same number of highest energy electron shells
