It could be, if it is a regular stick arrow then no.
k^2 + k = k^2 + k k^2 x k = k^3
72 - k = 31 Therefore, k = 72 - 31 k = 41
General convention is "k".
k(k + 5)
The symbol for potassium sulphate is K2SO4 . It contains K+ and SO42- ions.
•Na+, K+, Mg2+, Ca2+, SO42-, Cl-, NO3-, HCO3-
The potassium ion is K+ and the sulfate ion is SO42-
K+ and SO42-
Ionic, K2SO4 has K+ cations and SO42- anions. The sulfate anions contain covalent bonds.
K+ and SO42-
The polyatomic ion sulfite = SO3-2
Complete Ionic Equation. 2K+(aq) + SO42-(aq) + Ca2+(aq) + 2I-(aq) --> 2K+(aq) + 2I-(aq) + CaSO4(s) Net Ionic Equation Minus the Spectator Ions K+ and I-. Ca2+(aq) + SO42-(aq) --> CaSO4(s)
So42-
sulfate
Tetrahedral
The net ionic equation is SO42- + Ca2+ CaSO4.