Only elements have atomic numbers, not compounds.
The prefix "tetra" is associated with the number four.
S4 , capital 'S' plus subscripted '4'
The word for the number 4 in the Greek alphabet is "tetra."
tetra is 11\12
tetra and 1
No, an element is a pure substance composed of only one type of atom. Atoms are the smallest unit of an element that retains its properties. Each element has a unique number of protons in its nucleus, which determines its atomic number on the periodic table.
nobetta will kill tetra
tetra's car is the audi R8.
I'm getting a new Tetra for my aquarium. I am unfamiliar with the Tetra species. I already have a Cardinal Tetra, plus some Neons. The Flame Tetra is featured on a postage stamp from Cuba.
A blue tetra is a small aquarium fish.
All I know is that tetra means four.
I can't have another tetra in my tank.