For the Reaction 2 Mg(s)+ O₂(g)→ 2 MgO(s)

Q82: How many d electrons are there in

Q83: MnO₄^-(aq)produces what manganese-containing species when used as

Q84: Iron,cobalt,and nickel form the iron triad.

Q85: Choose the INCORRECT statement.<br>A)Zinc is poisonous in

Q86: Which is most probably the ground state

Q88: A mercury alloy is called an amalgam.

Q89: Which element displays ferromagnetism?<br>A)Co<br>B)Cu<br>C)Ti<br>D)Cr<br>E)V

Q90: The paramagnetism of transition element compounds is

Q91: Which substance is the best conductor of

Q92: List the following in order of increasing