which two of this elements could definitely be metals
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(i) To which group or period of the periodic table do the listed elements belongs : Al, Ci, Na, Ar. (iii) Which two of these elements could definitely be metals : Na & Mg.
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Most elements can be considered metals. They are grouped together in the middle to the left-hand side of the periodic table. The metals consist of the alkali metals, alkaline earths, transition metals, lanthanides, and actinides.
Explanation:
(i) To which group or period of the periodic table do the listed elements belongs : Al, Ci, Na, Ar.
(iii) Which two of these elements could definitely be metals : Na & Mg.
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