Answer:Sea Otter and hark
Explanation:
Such ions are said to be isoelectronic
Answer:
The number of electrons in the outermost shell of an atom is the key to reactivity.
Explanation:
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Answer:
Here is a clue
Explanation:
A convenient ion exchange separation particularly designed for the separation of iron and vanadium or mangenese from cobalt has been developed for the determination of iron, cobalt and manganese or vanadium in soft magnetic alloys. After an anion exchange separation of their chloride complexes these elements are determined by a back titration of an excess of EDTA with a standard copper solution using calcein as an indicator under ultraviolet light.
Answer: true
Explanation:hope this helps