which of the following is not a cation A) K+ B) Ca2 C) Mg2+ D) Cl-...
Which of the following (anions/atom/cations) has the smallest radius? S2- Cl- Ar K+ Ca2+ a. S2- b. Cl c. Ar d. K+ e. Ca2+
A) Which of Cl-, Ar, K +, Ca2 +, Br-, Kr, Rb +, and Sr2 + has the greatest radius? B) Which of Cl-, Ar, K +, Ca2 +, Br-, Kr, Rb +, and Sr2 + has the greatest ionization energy? C) When H + (aq) reacts with Fe (s) to produce Fe2 + (aq) and molecular hydrogen, is H + (aq) an acid, base, oxidizer, or reducing agent? D) What is the oxidation state of C atoms in C6H12O3?...
Which of the following ions has the largest radius? F-, K+, Cl-, Sr2+, Ca2+
which pair of ions exhibits the greatest attractive force? Which pair of ions exhibits the greatest attractive force between them? Select one: a. Na* and Cl- b. Ca2+ and CH c. Na+ and S2- d. Al3+ and Mg2+ e. Mg2+ and 02-
The following are isoelectronic species, Cl-, K+, and Ca2+ rank them in order of increasing: a. size b. ionization energy c. electron attachment enthalpy
Which of the lists of increasing ionic radii is not correct? A) CI- < Br</ B) A13+ < Mg2+ < Nat C) Ca2+ < Sr2+ < Ba2+ D) S2- < Cl- <Kt E) Na* <02- <N3- ОА OB Ос OD OE
What is the cation exchange capacity (in meq/100 g) and base saturation (in %) of a 200 g soil sample that contains the following amounts of exchangeable cations: 360mg Ca 2+, 46mg Na+, 312mg K+, 216mg Mg2+, 100mg Al3+, and 20mg H+. Use the following molar weights: Ca2+= 40.1 g/mol; Na+= 23.0 g/mol; K+= 39.1 g/mol; Mg2+= 24.3 g/mol; Al3+= 27 g/mol and H+ is 1 g/mol.
34. Which of the following species cannot act as a Lewis acid? A) K+ B) Mg2+ C) A13+ D) H+ E) H- DIUL UIT DU
Hard water , which contains Mg2+ and Ca2+ ions tends to form a ring in a bathtub due to its reaction with the solute anions in soap. The formation of this insoluble material is an example of ? A an acid -- base reaction B a precipitation reaction C a redox reaction D a combustion reaction E a decomposition reaction
Question 11 (1 point) Which of the following lists the cations in order of increasing strength of interaction with water when in an aqueous solution? Lit < Na* < K* < Ca2+ < Mg2+ OK* < Na* < Li* < Ca2+ < Mg2+ Mg?* < Ca?* < Lit < Na* < K* OLi* < Na* < K* < Mg2+ < Ca2+ O Lit < Mg2+ < Nat < Ca2+ < K+