Question: Selenium, an element required nutritionally in trace quantities, forms compounds analogous to sulfur. Name the following ions: (a) SeO 4 2- (b) Se 2

Selenium, an element required nutritionally in trace quantities, forms compounds analogous to sulfur. Name the following ions:

(a) SeO42-

(b) Se2‑

(c) HSe-

(d) HSeO3-

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