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Chemistry

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Leann Raynor

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Cards in this guide (15)
What is a triple bond

A covalent bond between 2 atoms where each atom contributes 3 electrons

Apex :3

What is a lone pair

A lone pair is elements in a chemical reaction that are not used in the reaction.

What would cause the shape of a molecule to be tetrahedral

Four atoms bound to a central atom with no lone pairs

What shape would a molecule with two bound groups and two lone pairs have

The correct answer is: Bent.

How does the shape of a molecule affect the polarity of the molecule

C.A molecule that has a symmetrical shape will be a nonpolar molecule.

What are repelled in the VSEPR theory

Electron pairs

What happens in a reduction

An element gains one or more electrons

What is an example of food engineering

The development of irrigation.

Which kind of covalent bond has unequal sharing of electrons

A polar covalent bond

What elements have the highest and lowest ionization energy

Helium has the highest first ionization energy and francium has the lowest first ionization energy.

In what way does the shape of a molecule affect how the molecule is involved with living systems

it determines how the molecule functions

Which of the following elements is the smallest

question: which of the following elements is the smallest?

answer: chlorine (CI)

What type of bonding around a central would result in a trigonal planar molecule -apex

3 atoms around a central atom with no lone pairs.

How does a lone pair contribute to the molecular shape

The lone pair repels the electrons of the adjacent bonds more so than does a bonding pair of electrons, so thus alters the molecular geometry of the molecule.

Which of the following could be considered a benefit of modern farming techniques

The food we eat is fresher because it is treated with preservatives.

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