Hydrogen is a gas at a room temperature, but it is found with the alkali metals in group 1 (1a) on the periodic table. which is the most likely reason hydrogen is grouped with alkali metals?

Where are each of the three particles located within the atom?

Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.

Adepositional also feature that forms where a stream enters a lake or an ocean is a