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Chemistry

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Nathen Hegmann

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Cards in this guide (11)
What does percent composition tell you about a molecule

It tells you how much of a molecule is made up of each element. - APEX

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

How does the energy of core electrons compare with the energy of valence electrons

The energy of the valence electrons is greater than the energy of the core electrons.

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 do dipole-dipole forces do

Hold Polar molecules together

What elements have the highest and lowest ionization energy

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

Which of the following elements is the smallest

question: which of the following elements is the smallest?

answer: chlorine (CI)

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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