Reduce one mole 0r the ion to the element? K^+ Fe^2+ Sn^2+ Al^3+ Which can act a

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Reduce one mole 0r the ion to the element? K^+ Fe^2+ Sn^2+ Al^3+ Which can act as both an oxidizing agent and a reducing agent? O_3 H_2O_2 Na_2O NaH Which will have the least vigorous reaction with water? Ca K Mg Na How do the melting points change with increasing atomic number for the diatomic elements in Group 17? increase decrease not predictable little or no change Identify the missing reactant in the synthesis of seaborgium, Sg.^18_8 O rightarrow^263_106 Sg + 4^1_0 n^245_98 Cf^246_98 Cf^249_98 Cf^249_102 No A 40.0 gram sample of^235U undergoes decay with a half- life of 7.0 times 10^8 years. What mass in grams of^235U remains after 2.1 times 10^9 years? 1.4 times 10^-8 5.0 10. 13. Which type of radiation can be blocked by a thin piece of paper or fabric? I. alpha II. beta III. gamma I and II I only II only III only

Explanation / Answer

63.A

64.A

65.A

66.C

67.A

68.B

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