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What is the charge of the nucleus of a copper atom ?
Atomic radius decreases and electronegativity increases.
fluorine
mass being converted to energy
(3) chemically combined in a fixed proportion
(3) a tenfold increase
(2) orbital
(3) +29
(4) has a symmetrical charge distribution
Which term identifies the most probable location of an electron in the wave-mechanical model of the atom?
Atomic radius decreases and electronegativity increases.
fluorine
mass being converted to energy
(3) chemically combined in a fixed proportion
(3) a tenfold increase
(2) orbital
(3) +29
(4) has a symmetrical charge distribution
A compound is a substance composed of two or more elements that are
Atomic radius decreases and electronegativity increases.
fluorine
mass being converted to energy
(3) chemically combined in a fixed proportion
(3) a tenfold increase
(2) orbital
(3) +29
(4) has a symmetrical charge distribution
An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity?(difference in electronnegitivity)
Atomic radius decreases and electronegativity increases.
fluorine
mass being converted to energy
(3) chemically combined in a fixed proportion
(3) a tenfold increase
(2) orbital
(3) +29
(4) has a symmetrical charge distribution
Which general trends in atomic radius and electronegativity are observed as the elements in Period 3 are considered in order of increasing atomic number?
Atomic radius decreases and electronegativity increases.
fluorine
mass being converted to energy
(3) chemically combined in a fixed proportion
(3) a tenfold increase
(2) orbital
(3) +29
(4) has a symmetrical charge distribution
A molecule must be nonpolar if the molecule
Atomic radius decreases and electronegativity increases.
fluorine
mass being converted to energy
(3) chemically combined in a fixed proportion
(3) a tenfold increase
(2) orbital
(3) +29
(4) has a symmetrical charge distribution
Which change in the H+ ion concentration of an aqueous solution represents a decrease of one unit on the pH scale?
Atomic radius decreases and electronegativity increases.
fluorine
mass being converted to energy
(3) chemically combined in a fixed proportion
(3) a tenfold increase
(2) orbital
(3) +29
(4) has a symmetrical charge distribution
The energy released during a nuclear reaction is from
Atomic radius decreases and electronegativity increases.
fluorine
mass being converted to energy
(3) chemically combined in a fixed proportion
(3) a tenfold increase
(2) orbital
(3) +29
(4) has a symmetrical charge distribution
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