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Author Question: Which is not generally considered to be a chemical reaction of the alkaline earth metal calcium? (Read 74 times)

wenmo

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Question 1

An incorrect statement about the alkaline earth metals is
◦ Melting points generally decrease as one descends the group.
◦ Densities are less than those of the corresponding alkali elements of the same period.
◦ The first ionization energy is less than that of the second ionization energy.
◦ Ionic radii of the M2+ ion increases as one descends the group.

Question 2

Which is not generally considered to be a chemical reaction of the alkaline earth metal calcium?
◦ Ca(s) + O2(g) → CaO2(s)
◦ 2 Ca(s) + 2 H2O(l) → 2 Ca(OH)2(aq) + H2(g)
◦ 6 Ca(s) + 2 N2(g) → 2 Ca3N2(s)
◦ Ca(s) + Cl2(g) → CaCl2(s)


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Marked as best answer by wenmo on Feb 15, 2020

Carissamariew

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Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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wenmo

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Reply 2 on: Feb 15, 2020
Excellent


flexer1n1

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Reply 3 on: Yesterday
Wow, this really help

 

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