The Modern Periodic Table Flashcards
1
Q
Valence electrons
A
the outermost electrons of an atom
2
Q
What are valence electrons involved in?
A
the formation of chemical bonds
3
Q
What do valence electrons help?
A
predict chemical properties
4
Q
Dmitri Mendeleev and Lothar Meyer
A
independently proposed the idea of periodicity in 1869
5
Q
Mendeleev predicted
A
properties for elements not yet discovered
