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- Multiple ChoicePlease save your changes before editing any questions.
Which of the following describes covalent bonds?
Bonds form because of opposite charges
electrons are shared to fill outer electron shells
Electrons are transferred between atoms
Covalent bonds are magical
- Multiple ChoicePlease save your changes before editing any questions.
What molecule is this?COCO2C2OC2O2 - Multiple ChoicePlease save your changes before editing any questions.How many electrons should Nitrogen have around its Lewis dot model?1345
- Multiple ChoicePlease save your changes before editing any questions.What is ionization energy?Energy needed to destroy an atomEnergy required to remove an electronEnergy needed to split an electronEnergy required to add an electron
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For representative elements (Groups 1A - 8A), the number of valence electrons is equal to
the group number
the period number
the atomic number
the group number minus 10
- Multiple ChoicePlease save your changes before editing any questions.Valence electrons are the...Innermost electronsMiddle electronsOutermost electronsAny electrons
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For metals (groups 1-3), its easier to _____ electrons to have a full outer shell.
gain
lose
share
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For nonmetals (grousp 5-7), its easier to _____ electrons to have a full outer shell.
gain
lose
share
- Multiple ChoicePlease save your changes before editing any questions.Ionic bonds form between metals and ____.metalloidsmetalsnonmetals
- Multiple ChoicePlease save your changes before editing any questions.What is the formula of Sodium oxide?Na2ONaO2Na2O2Na2O
- Multiple ChoicePlease save your changes before editing any questions.An ionic bond is the attraction between:oppositely charged ionssimilarly charged ionsneutral ionsneutral atoms
- Multiple ChoicePlease save your changes before editing any questions.Phosphorous trichloridePCl3P3ClP3Cl3PCL
- Multiple ChoicePlease save your changes before editing any questions.What elements generally make a covalent bond?metal and nonmetal2 or more nonmetalsmetalnone of the above
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The octet rules states that most elements want to have _____ valence electrons.
2
4
6
8
- Multiple ChoicePlease save your changes before editing any questions.Electronegativity is...how good an atom is at attracting electronsthe ability of an atom to lose electronsthe energy required to remove an electron from a specific atomhow easy it is to make friends.
- Multiple ChoicePlease save your changes before editing any questions.Chlorine and Fluorine are both very electronegative, as they are both missing a single electron from their valence energy level. Why is Fluorine more electronegative than Chlorine?Fluorine has less energy levels.Chlorine has more electrons in its outer shellFluorine has more protons.None of these
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Which type of bond has an unequal sharing of electrons between two atoms?
nonpolar covalent
polar covalent
ionic
mettalic
- Multiple ChoicePlease save your changes before editing any questions.What is the basis of a metallic bond?the attraction of neutral metal atoms.the attraction between protons and neutrons.the attraction between positive metal ions and interlocking electrons.the attraction between positive metal ions and free floating electrons.
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Ice has less density as compared to water due to ___________ bonds.
ionic
hydrogen
covalent
metallic
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Water molecules tend to make _____________ bonds with each other.
ionic
polar covalent
metallic
hydrogen