Which of the three kinds of radiation is dangerous to us and why?

If you were asked to describe metals and magnetism you could say. A. non-paired electrons spin in opposite directions in all metals, creating a magnetic field. B. metals are magnets because they have more electrons than non-magnetic materials. C.

What does AC stand for in physics? O A. alternating current B. alternative circuit OC. alternating composition OD. all charge

How many oxygen atoms are in 10 formula units of AI2 (SO4) 3

A gene or trait that appears or expresses itself over a recessive trait is called a/an A. mutation. B. chromosome. C. influential gene. D. dominant gene.

Cavendish prepared hydrogen in 1766 by the novel method of passing steam through a red-hot gun barrel: 4H2O (g) + 3Fe (s) ⟶Fe3O4 (s) + 4H2 (g) 4H2O (g) + 3Fe (s) ⟶Fe3O4 (s) + 4H2 (g)

The number of blank always differs in atoms of different elements

Hey student dissolves 5 g of salt and 20 g of water what is the mass of the solution

4 What would the volume of a gas be at - 150°C, if it had a volume of 693 mL at 45°C?

How long does nicotine stay in your system

Compare the densities among the three states of matter (which is highest, lowest?)