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Chemistry > Vocab Chem 7 > Flashcards

Vocab Chem 7 Flashcards

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1
Q

Compounds

A

A chemical combination of 2 or more different elements and can be broken down into simpler substances

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2
Q

Chemical bond

A

Force that hold 2 atoms together

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3
Q

Ions

A

Charged atoms

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4
Q

Valence electrons

A

Outer most electrons

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5
Q

Cation

A

Positive ion,
Formed when atom loses one or more electrons

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6
Q

Anion

A

Negative ion
Gains one or more electrons

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7
Q

Ionic compound

A

Composed of ions

NaCl
CaBr

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8
Q

Monatomic ion

A

Has one atom with a charge
H+ N -3 Si +4

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9
Q

Polyatomic ion
Also called what ?

A

Group of atoms with a charge
SO(4) -2 C2O4 -2

Radical

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10
Q

Oxidation number or valence

A

The charge of an ion
+1 +4 -3

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11
Q

Chemical nomenclature

A

Naming of chemical compounds
Magnesium nitride

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12
Q

Binary compound

A

Compounds with only 2 elements
-Ide
Some radicals can have -ide

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13
Q

Binary acids6

A

Acids with 2 elements
Has hydro prefix
-ic

Hydro brom ic

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14
Q

Ternary compound

A

Compounds with 3 elements
K2SO3

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15
Q

Ternary acid

A

Acids with only 3 different elements
Have hydrogen in front
-ic
H2NO3

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16
Q

Diatomic
Name them 7

A

Composed of 2 atoms

Hydrogen H2
Oxygen O2
Nitrogen N
Fluorine F
Chlorine Cl
Bromide Br
Iodine I

17
Q

Hydrate

A

Compound that has a specific number of water molecules bound to its atom
They attract and hold water molecules

18
Q

Water of hydration

A

The water that is in the hydrate

19
Q

Anhydrous

A

Without water

20
Q

Ionic bond

A

Electrostatic force holding oppositely charged ions together

21
Q

Crystal lattice

A

Positive ions are surrounded by negative ions and vice versa

22
Q

Electrolytes

A

Conduct electric current when dissolved in water

23
Q

Lattice energy

A

Energy required to separate one mole of the ions ionic compound

24
Q

Formula unit

A

Simplest ratio of the ions represented in an ionic compound

3 H3PO4
3 is it

25
Q

Monoatomic ion

A

Ions containing only 1 atom

26
Q

Oxyanion

A

Contains oxygen and another element

27
Q

Electron sea model

A

Atoms in a metallic solid contribute their valence electrons to form, a SEA of electrons that surrounds cations

28
Q

Delocalized electrons

Free electrons

A

Electrons not held and can move freely

29
Q

Metallic bond

A

Attraction between delocalized electrons and metallic cation

30
Q

Malleable

A

Able to be hammered into sheets

31
Q

Ductility

A

Able to be drawn into wire

32
Q

Alloy

A

Mixture of elements that have metallic properties
They have a mixture of metal and one other element

Chemistry (22 decks)

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