Which is the correct interpretation of the formula mgf2?
he lattice contains 1 magnesium atom for every 2 fluorine atoms.
the lattice contains 2 magnesium atoms for every fluorine atom.
the lattice contains 2 magnesium ions for every fluoride ion.
the lattice contains 1 magnesium ion for every 2 fluoride ions.

1 - wave length

2 - amplitude

3 - crest

4 - trough

explanation:

duh.

explanation:

v=uf/(u-f)

= 5.-10/(5+10) convex lens has negative focal length

answer: i'm not sure which is which for i get confused on it all the time but i can tell you that the answer lies with the convex and concave devices. i hope this you. have a good day and best of luck to you!

explanation:

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.