Rb is rubidium, O is oxygen. They will combine to form Rb2O which is called rubidium oxide.
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H-O-H is the symbol formula of WATER. H2O
When grading copper cents, there are three main subgrades: BN (brown, a tarnished cent) RB (red-brown, a cent that has began to tarnish) and RD (red, an untarnished cent) out of all of these, collectors will sometimes pay a premium for RD or RB cents because they are much more attractive. However, keep in mind that most slabs aren't airtight and your RB or RD cent may very well eventually tarnish into a BN cent, so my advice is not to pay a premium for the colour designation but rather focus on the true grade of the coin (expressed in a number from 1 being barely recognizable to 70 being perfection)
Cs2O2 APEX 2021
Rb is rubidium, O is oxygen. They will combine to form Rb2O which is called rubidium oxide.
Since Rb forms a 1+ ion the formula for rubidium oxide is Rb2O.
Rubidium does not have a formula but a symbol: Rb.
Rb
These are the ions and their charges: Rb+1 N-3The charges have to add up to zero, so two +1 Rb ions were added to cancel out the -3 charge of N: Rb+1 Rb+1 Rb+1 N-3Simplify: Rb3N
The rubidium nitride has the chemical formula Rb3N.
Rubidium is a group 1 metal with just one valence electron. It therefore forms the ion Rb+ as it loses the electron. The ionic formula is Rb+ Cl-
Rb
Rb3P.
The order is: O, Cl, Sb, Rb, Ar.
Rb(2)S(2)O(3) That's 2 atoms of Rubidium, 2 atoms of Sulfur, and 3 of Oxygen.
RbBr is the chemical formula for rubidium bromide. Rb stands for rubidium and Br for bromine.