Concept explainers
Interpretation: The chemical symbol,
Concept introduction: In modern periodic table, elements are arranged in groups and periods according to their atomic number. Metals are present at left of the stair step, whereas nonmetals are present at right of the stair step. Metalloids are present inside the stair step.
(a)
To determine: The chemical symbol, atomic number and position in the periodic table for chromium; if chromium is a metal, metalloid or non-metal.
(b)
To determine: The chemical symbol, atomic number and position in the periodic table for helium element; if helium is a metal, metalloid or non-metal.
(c)
To determine: The chemical symbol, atomic number and position in the periodic table for phosphorous element; if the phosphorous is a metal, metalloid or non-metal.
(d)
To determine: The chemical symbol, atomic number and position in the periodic table for zinc; if zinc is a metal, metalloid or non-metal.
(e)
To determine: The chemical symbol, atomic number and position in the periodic table for magnesium; if magnesium is a metal, metalloid or non-metal.
(f)
To determine: The chemical symbol, atomic number and position in the periodic table for bromine element; if bromine is a metal, metalloid or non-metal.
(g)
To determine: The chemical symbol, atomic number and position in the periodic table for arsenic element; if arsenic is a metal, metalloid or non-metal.
To determine: Location of
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