The transport of materials against a concentration gradient is called

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

Classify this reaction: 2al+n2-> aln.

What is the lowest number energy level where a d sublevel is found