Am I doing this right?
What is [OH-] of a solution
with a pH of 4.0?
Answer in M
Ya
C. both rows and collumns
Answer:
Properties
Explanation:
Mendeleev realized that the physical and chemical properties of elements were related to their atomic mass in a 'periodic' way, and arranged them so that groups of elements with similar properties fell into vertical columns in his table.
Answer:
yes answer os Na because it's electronic configuration is 1s^2,2s^2,2p^6,3s^1
It means it depends on how much of the chemical you have. For ex. if 1 drop of snake venom might not kill you, but 20 drop could definitely kill you. Hope this helps!
