Bonding Review

Which of the following is the correct e-dot diagram?

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Tags

NGSS.HS-PS1-1

What do the dots represent in the following symbol?

• electrons in the p sublevels, only.

• electrons in s, p, and d sublevels.

• electrons in s sublevels, only.

• electrons in s and p sublevels, only.

Tags

NGSS.HS-PS1-1

What is the correct Lewis Dot for H₂?

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What is the correct electron-dot formula for the compound magnesium fluoride?

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Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which type of chemical bond is formed by the electrostatic force between a positive ion and a negative ion?

• Covalent

• Ionic

• Metallic

• Hexavalent

Tags

NGSS.HS-PS1-3

Which diagram best represents a polar molecule?

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Which structural formula represents a nonpolar symmetrical molecule?

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Which of these statements describes the basic idea of the Valence Shell Electron Pair Repulsion (VSEPR) theory?

• Electrons are attracted to the nucleus of the central atom.

• Shared and unshared electron pairs repel each other as much as possible.

• Molecules repel one another due to intermolecular forces.

• There is always an octet of electrons around an atom in a molecule.

Which of the following molecules would be expected to exhibit a tetrahedral geometry?

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The following picture shows a covalent molecule.

What molecule listed below has the same shape?

• BH_3

• H₂O₂

• NH₃

• Na₃P