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Charlie Schulist

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Cards in this guide (11)
What is the mass in grams of 6.02 x 1023 atoms of sulfur

32g

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

The correct answer is: Bent.

What are repelled in the VSEPR theory

Electron pairs

What is the percent composition of sulfur in SO2

32.1g

__________________

X100%

(32.1g + 16.0g + 16.0g)

What happens in a reduction

An element gains one or more electrons

What is an example of food engineering

The development of irrigation.

What elements have the highest and lowest ionization energy

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

Food engineering focuses on

Food engineering focuses on inventing ways to make food more accessible to populations. This can be done, for example, by genetic modification.

Which of the following elements is the smallest

question: which of the following elements is the smallest?

answer: chlorine (CI)

When food is exposed to air it can lose electrons this loss of electrons creates reactive molecules that work to destroy the chemical bonds in the food causing it to spoil what are these molecules cal

Free radicals

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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