Sametha was looking at a map of the world and noticing the different landforms in various areas. Having studied types of landforms at school recently, she decided to make a list of the examples she noticed on the map. Which of these are examples of landforms?

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.

How to calculate the mass of copper

The molar mass of nickel(ni) is 58.7 g/mol. how many moles are in an 88 gram sample of nickel?