The correct formula for nickel (II) oxide is NiO.
1. A. All the elements in the column have similar chemical properties.
2. Substances on the periodic table cannot be broken down into other substances and are therefore elements.
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The uniqueness of the plasma state is due to the importance of electric and magnetic forces that act on a plasma in addition to such forces as gravity that affect all forms of matter.
Explanation:
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C. with melting point 11° C and boiling point 181° C
Explanation:
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