What does the presence of tiny crystals in a piece of igneous rock tell you about it?

The electron configuration for chromium is 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 5 4 s 1 instead of 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 4 4 s 1 . the configuration is an exception to the

Lewis structure and molecular geometry for nh2cl

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure