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Atomic Structure
In a Lewis dot structure the dots represent
Atomic nuclei
Valence electrons
Kernel electrons
Protons
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Atomic Structure
Covalent bonds are
rigid and directional
rigid and non–directional
neither rigid nor directional
non–rigid and directional
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Atomic Structure
A type of chemical bond that is consists of positive ions in a sea of electrons a(n)
Covalent bond.
Ionic bond.
Metallic bond
Hydrogen bond
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Atomic Structure
On which factor conductance of metals responsible ?
ions
delocalized
atomic kernel
number of atoms
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Atomic Structure
The spin quantum number of an electron can be thought of as describing
the direction of electron spin.
whether the electron’s charge is positive or negative.
the electron’s exact location in orbit.
the number of revolutions the electron makes about the nucleus per second.
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Atomic Structure
On keeping two cube of ice on each other which become one cube which factor is responsible for it ?
Van-Der Waals attraction
Hydrogen bond
Dipole attraction
Covalent bond
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Atomic Structure
A chemical bond between atoms results from the attraction between the valence electrons and—–of different atoms.
Nuclei
Inner electrons
Isotopes
Lewis structures
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Atomic Structure
Select the largest atom in the following atoms
O
S
Se
Te
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Atomic Structure
Atoms of the same element can differ in which of the following:
chemical properties.
mass number.
atomic number.
number of protons and electrons.
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Atomic Structure
A negatively charged ion attracts a(n)
Anion
cation
Neutral atom
Proton
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