A)Arrange the elements in the increasing order of the properties mentioned
below.
B, C, Si,...
Chemistry, 15.08.2021 08:20 makayla912
A)Arrange the elements in the increasing order of the properties mentioned
below.
B, C, Si, N, F [non-metallic character]
b) The first ionisation energy of Na is lesser than Mg, but the second ionisation
energy of Na is more than Mg. Explain
c) IE1 of Be is higher than B. Give reason
Answers: 1
Chemistry, 21.06.2019 18:00
Construct the hypothetical phase diagram for metals a and b between room temperature (20c) and 700c, given the following information: * the melting temperature of metal a is 480c. • the maximum solubility of b in a is 4 wt% b, which occurs at 420c. • the solubility of b in a at room temperature is 0 wt% b. • one eutectic occurs at 420c and 18 wt% b–82 wt% a. • a second eutectic occurs at 475c and 42 wt% b–58 wt% a. • the intermetallic compound ab exists at a composition of 30 wt% b–70 wt% a, and melts congruently at 525c.• the melting temperature of metal b is 600c. • the maximum solubility of a in b is 13 wt% a, which occurs at 475c. • the solubility of a in b at room temperature is 3 wt% a.
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