(i) {\(x: x ∈ R, -4 < x ≤ 6\)} = [-4, 6]
(ii) {\(x: x ∈ R, -12 < x < -10\)} = (-12, -10)
(iii) {\(x: x ∈ R, 0 ≤ x < 7\)} = [0, 7]
(iv) {\(x:x ∈ R, 3 ≤ x ≤ 4\)} = [3, 4]
Draw the Lewis structures for the following molecules and ions: \(H_2S\), \(SiCl_4\), \(BeF_2\), \(CO_3^{2-}\) , \(HCOOH\)
| λ (nm) | 500 | 450 | 400 |
|---|---|---|---|
| v × 10–5(cm s–1) | 2.55 | 4.35 | 5.35 |
Sets are of various types depending on their features. They are as follows: