Chemistry

What symbol appears on the periodic table for the element with the atomic number 18?

More Questions from Chemistry
Approximately how many toxic chemicals are released while a diesel engine idles?
Reveal Answer
Which of the following is an element?
Reveal Answer
What makes matter expand when it's heated and contract when it's cooled?
Reveal Answer
Analysis of the black soot left over from a fire would reveal what primary element?
Reveal Answer
What are proteins that help speed up chemical reactions called?
Reveal Answer
What is the diffusion of water through a cell membrane called?
Reveal Answer
The Air-Quality Index measures exposure in the air at ground-level to which chemical?
Reveal Answer
What word is used to describe crops and foodstuffs grown without chemicals?
Reveal Answer