Concept explainers
(a)
Interpretation:
Interpret symbol for magnesium, aluminum, xenon are Mn, Al, Xe.
Concept Introduction:
Periodic table consist of number of elements arranged according to their
Element on loosing the electron results in appearance of positive charge on it while on accepting electron results in negative charge.
(b)
Interpretation:
Interpret the element P, As, Bi belongs to same family.
Concept Introduction:
Periodic table consist of number of elements arranged according to their atomic number. The atomic number increases from left to right by single unit.
Element on loosing the electron results in appearance of positive charge on it while on accepting electron results in negative charge.
(c)
Interpretation:
Interpret Ga, Se, Br accepts electron.
Concept Introduction:
Periodic table consist of number of elements arranged according to their atomic number. The atomic number increases from left to right by single unit.
Element on loosing the electron results in appearance of positive charge on it while on accepting electron results in negative charge.
(d)
Interpretation:
Interpret Co, Ni, Hg are transition element.
Concept Introduction:
Periodic table consist of number of elements arranged according to their atomic number. The atomic number increases from left to right by single unit.
Element on loosing the electron results in appearance of positive charge on it while on accepting electron results in negative charge.
(e)
Interpretation:
Interpret name of TiO2 is titanium dioxide.
Concept Introduction:
Binary ionic compound is the species contains two ions in the compound to form a chemical species.
The name of Binary ion contains the name of cation first then proceeded the name of anion. The name of cation in Binary ion remain same to that of metal while for anion its name ends by suffix ‘ate’ while anion of group 6 and 7 ends with suffix ‘ide’.
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Introductory Chemistry: A Foundation
- Two basic laws of chemistry are the law of conservation of mass and the law of constant composition. Which of these laws (if any) do the following statements illustrate? (a) The mass of phosphorus, P, combined with one gram of hydrogen, H, in the highly toxic gas phosphene, PH3, is a little more than twice the mass of nitrogen, N, combined with one gram of hydrogen in ammonia gas, NH3. (b) A cold pack has the same mass before and after the seal between two reactants is broken to allow reaction to occur. (c) It is highly improbable that carbon monoxide gas found in Los Angeles is C1.2O1.1.arrow_forwardIn Groups 4A-6A, there are several elements whose symbols begin with S. Name these elements, and for each one give its symbol, atomic number, group number, and period. Describe each as a metal, metalloid, or nonmetal.arrow_forwardTwo elements, R and Q, combine to form two binary compounds. In the first compound, 14.0 g of R combines with 3.00 g of Q. In the second compound, 7.00 g of R combines with 4.50 g of Q. Show that these data are in accord with the law of multiple proportions. If the formula of the second compound is RQ, what is the formula of the first compound?arrow_forward
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