Given the reaction: 2Al + 3H2SO4 → 3H2 + Al2 (SO4) 3 The total number of moles of H2SO4 needed to react completely with 5.0 moles of Al is

List 4 types of information that are given in each box of the periodic table:

Which statement best describes how the periodic table has benefited society and scientists? a. It has evolved as new information about the elements has been discovered. b. It includes a lot of detailed information about the elements in a small space.

What is the mass of 3.8 * 1024 atoms of argon (Ar) ?

What is the name of the element of atomic no 114

What leads to the development of a theory

Which of the following is the least reactive nonmetal,?

If the human body were a car, glucose would be:

Which part of the circulatory system contains blood rich in carbon dioxide (1) arteries (2) alveoli (3) veins (4) capillaries

Andrea was watching her brother in the ocean and noticed that the waves were coming into the beach at a frequency of 0.571429 Hz. How many waves hit the beach in 28 s? Answer in units of waves.

How many chloride ions are needed to cancel the 2 + charge of magnesium in magnesium chloride?