How many grams are in 0.500 mol of Na (molar mass of Na = 22.99 g/mol)?

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

What must happen before a body cell can begin mitotic cell division

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