Concept explainers
(a)
Interpretation:
The
Concept introduction:
The periodic table represents elements in order of their
(b)
Interpretation:
The symbol of the element which is semimetal in the fourth period and Group
Concept introduction:
The periodic table represents elements in order of their atomic number. In the modern periodic table, the horizontal rows are known as periods and vertical columns are known as groups. There are seven periods and eighteenth groups in modern periodic table.
(c)
Interpretation:
The symbol of the halogen which exists as yellow gas is to be stated.
Concept introduction:
The periodic table represents elements in order of their atomic number. In the modern periodic table, the horizontal rows are known as periods and vertical columns are known as groups. There are seven periods and eighteenth groups in modern periodic table.
(d)
Interpretation:
The symbol of the radioactive halogen is to be stated.
Concept introduction:
The periodic table represents elements in order of their atomic number. In the modern periodic table, the horizontal rows are known as periods and vertical columns are known as groups. There are seven periods and eighteenth groups in modern periodic table.
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EBK INTRODUCTORY CHEMISTRY
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- what is period 2 group 7 element symbolarrow_forwardIf powdered elemental zinc and powdered elemental sulfur are poured into ametal beaker and then heated strongly, a very vigorous chemical reaction takes place, and the zinc sulfide was zinc sulfide is formed. Is zinc sulfide an element orcompound?arrow_forwardUsing the periodic table, classify each of the following elements as a metal or a nonmetal, and then further classify each as a main-group (representative) element, transition metal, or inner transition metal: cobalt europium iodine indium lithium oxygen cadmium terbium rheniumarrow_forward
- List the symbols of the elements of each of the following: a transition metals in the fourth period; b metals in the third period; c nonmetals in Group 6A/16 or 7A/17 with Z40; d main group metals in the sixth period.arrow_forwardWhich of the six elements nitrogen, beryllium, argon, aluminum, silver, and gold is (are) described by the following characteristics? a. Period number and Roman numeral group number are numerically equal b. Readily conducts electricity c. Has an atomic mass greater than its atomic number d. Nuclear charge is greater than +20arrow_forward
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