What element is represented by this electron ground state configuration : [Kr] 4d10 4f14 5s2 5p6 5d10 5f14 6s2 6p6 6d2 7s2 Is this really Krypton?
Arrange the following in order of increasing atomic radii from smallest to largest. Mg Ra Sr Be Ca Ba
Answer the questions below for an element that has the electron configuration 1s2 2s2 2p6 3s2 3p6 4s1. A. What is the symbol for this element? B. What is the atomic number of this element? C. How many unpaired electrons does an atom of this elelemt have? D. How many valence el...
Balance the following chemical equation (put the coefficients in order) Fe + O2 + H2O → Fe(OH)
is a right
Use the method of substitution to solve the linear equation! 6a=6-b 6a=5-b please help I don't get it it needs to be an ordered pair.
in the presence of NH3, Cu+2 forms the complex ion [Cu(NH3)4]+2. If the equilibrium concentrations of Cu+2 and [Cu(NH3)4]+2 are 1.8x10^-17M and 1.0x10^-3M respectively, in a 1.5 M NH3 solution, calculate the value for the overall formation constant of [Cu(NH3)4]+2. Cu+2(aq)+ 4...
No, because the verb should be past tense. The sentence is referring to Fredericksburg who is no longer in Comance territory.It is in the past that he is in Comanche territory. The sentence should be: Fredericksburg used to be in Comanche territory.
The answers are correct!
Chemistry please help
State Daltons Postulates? In light of modern knowledge, what are the inaccuracies in Daltons Postulates? I know Dalton's postulates: -All matter consists of tiny, indivisible particles called atoms that cannot be created or destroyed -Atoms of one element canno...