Ch. 2 - The Chemistry of Life Flashcards

Chapter 2

1
Q

All living things are made of ____

A

Matter

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2
Q

What is an atom?

A

The smallest unit of matter

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3
Q

What are the subatomic particles? (in other words, what are the parts of an atom?)

A

electron, proton, neutron

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4
Q

What is the difference between an ionic bond and a covalent bond?

A

ionic bond: when two atoms bond to each other by transferring an electron from one atom to the next

covalent bond: when two atoms bond to each other by sharing an electron with each other

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5
Q

What are Van der Waals forces?

A

A type of “intermolecular force” and NOT a chemical bond. When molecules are close together, a slight attraction can develop between the oppositely charged regions of nearby molecules

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6
Q

What are the charges for proton, electron, neutron?

A

proton –> +
electron –> -
neutron –> no charge (neutral)

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