Chemistry exam review Flashcards
1
Q
how did atomic theory devolop and change?
A
atomic theory grew as a series of models that devoloped from experimental evidence. as more evidence was collected the theory and models were revised
2
Q
what is the modern model of the atom?
A
cloud model
3
Q
how did mendeleev discover the pattern that led to the periodic table
A
he noticed a pattern of properties when he arrangerd them of increasing atomic mass