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NU intro a&p > Chemistry Terms > Flashcards

Chemistry Terms Flashcards

1
Q

Atom

A

Smallest unit of matter. (Displays element properties)

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2
Q

Protons

A

Positive charged particals

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3
Q

Electrons

A

Negatively charged particles

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4
Q

Neutrons

A

Uncharged ( building block of atoms)

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5
Q

Mass number

A

Combined number of protons and neutrons together

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6
Q

Atomic number

A

Number of protons

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7
Q

Atomic weight

A

Average weight of all isotopes of an element

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8
Q

Isotope

A

Atoms with different number of neutrons

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9
Q

Chemical bond

A

Forces that hold together the atoms

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10
Q

Ions

A

Atom that loses or gains one or more valence electron

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11
Q

Ionic bond

A

(Atom steals electron from another atom) positive and negative ions attract to one another

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12
Q

Cations

A

Positive charges ions

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13
Q

Antion

A

Negative charges ion

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14
Q

Covalent bond

A

2 or more atoms share electrons. Stronger and more stable bond.

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15
Q

Nonpolar covalent bond

A

2 atoms share electron evenly

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16
Q

Polar covalent bond

A

Sharing of atoms are unequal. 1 atom can attract electrons more strongly than the other atom. Has a slight positive/negative charge.

17
Q

Hydrogen bond

A

Weakest. Attraction or oppositely charges molecules rather than stealing. Causes cohesion

18
Q

Molecule

A

2 or more atoms held together by a chemical bond

19
Q

Compound

A

Atoms that are held together are different from one another

20
Q

Solute

A

(Salt) substance that is dissolved in solution

21
Q

Solvent

A

(Water) fluid where substance are dissolved in

22
Q

Solution

A

Mixture of components.

Solute+solvent=solution

23
Q

Element

A

Fundamental substance that can’t be broken down

o2, H, C and N

NU intro a&p (7 decks)

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