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CHEM 105 LECTURE > Chapter 3 Lecture Cont. > Flashcards

Chapter 3 Lecture Cont. Flashcards

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1
Q

what are molecules ?

A

they are uncharged groups of atoms connected to one another by COVALENT BONDS

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2
Q

what are molecular formulas?

A

formulas that are used to list the number of each type of atom that is not present (does not show how atoms are connected)

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3
Q

what is the formula weight?

A

(this is only seen in IONIC COMPOUNDS) the sum of the atomic weights of the elements in the formula of an ionic compound

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4
Q

what is the molecular weight?

A

(this is only seen in COVALENT BONDS)
the sum of the atomic weight of the elements in the formula of a MOLECULE

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5
Q

molar mass

A

MOLAR MASS = FORMULA WEIGHT OF AN IONIC COMPOUND

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CHEM 105 LECTURE (17 decks)

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