Lecture 2 Flashcards by Samijah Rogers

Q

Protons

A

” + “

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Q

Electrons

A

” - “

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Q

Neutrons

A

Nuetral

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Q

Ion

A

Charged

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Q

Cation

A

positive charge

builds up to more complex

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Q

Anion

A

negative charge

breaks down into simpler or base

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Q

Physical Reaction

A

same thingt but looks different

ex: tearing paper

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Q

Chemical Reaction

A

completly changed

ex: burning wood

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Q

Covalent Bonds

A

strong bonds

share electrons

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Q

Ionic Bonds

A

weak bonds

held by charge

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Q

Molecules

A

two or more atoms

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Q

Compunds

A

two or more different atoms

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Q

ATP

A

energy

from food and oxygen

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Q

Catalyst

A

speed up reactions

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Q

enzyme

A

protien catalysts

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Q

solution

A

solvent+solute

Q

solvent

A

water

Q

solute

A

water, sugar, ect.

Q

precipitates

A

solids where it should be liquid

Q

pH scale

A

0-14

Q

nuetral pH

A

7

Q

most acidic pH

A

0

Q

most alkaline pH

A

14

Q

normal blood pH

A

7.35-7.45

Q

If pH number goes down?

A

H goes up

more acidic

Q

If pH number goes up?

A

H goes down

more alkaline

Q

pH scale definition

A

logarithmic scale used to specify the acidity or basicity of aqueous solutions