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Mo & Soo Chem 1211K > Homework 4 > Flashcards

Homework 4 Flashcards

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1
Q

Transition elements are always (metal ,nonmetal, metalliod)

A

always Metals

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2
Q

Same column elements have similar

A

chemical properties

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3
Q

____lose electrons and form cations, in a reactions

A

Metals

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4
Q

Where are metals located on the periodic table

A

lower left on the table

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5
Q

____gain electrons in reactions to become anions

A

nonmetals

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6
Q

________ are located upper right on the periodic table(except H)

A

nonmetals

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7
Q

_______________show some properties of metal and some of nonmetal

A

nonmetalMetalliods(semiconductors)

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8
Q

Chemical Bonds form from

A

the attraction between charged particles (electrons and protons) and hold together the atoms that makeup compounds

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9
Q

what are Bonds

A

attractions forces between atoms(lowers potential energy of a system)

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10
Q

What is Ionic bond

A

Bond between a metal and a nonmetal element

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11
Q

What is a Covalent Bond?

A

Bonds formed between two nonmetals element

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12
Q

how are Metallic Bonds formerd

A

Bond formed between two metal elements

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13
Q

During Ionic bonds metal give up electrons to form_____

A

cation

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14
Q

When______ bonds occurs none metal elements accept electrons to form _______

A

Ionic Bonds & anion

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15
Q

______ bonding results in attraction between two charges (cation + anion)

A

Ionic

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16
Q

Compound formed having ionic bonds

A

Ionic Compound

17
Q

______ bonding results in sharing electrons

A

Covalent

18
Q

Type of bonding between nonmetal elements

A

Covalent

19
Q

______Compounds composed of two or more covalently bonded non-metals

A

Molecular

20
Q

Atomic element

A

exists in nature with a single atom as it’s unit

21
Q

_____ exists as two or more atoms of the same element bonded together

A

Molecular element

22
Q

Compounds composed of metal + nonmetal elements are

A

Ionic Compound

23
Q

Compounds composed of metal + nonmetal polyatomic are

A

Ionic compound

24
Q

______ compound are “neutral” or have a net charge of zero

A

ionic compounds

25
Q

Naming Ionic Compounds

A

Metal names first, followed by nonmetal
nonmetal ending is excnaged with”IDE”

26
Q

What is the Charge for alkali metal, and what group number are they

A

+1 , group1

27
Q

What is the Charge for alkaline earth metal

A

2+ group 2

28
Q

What is the charge of Hydrogen when combined with a nonmetal

A

+1

29
Q

What is the charge of Hydrogen when combined with a metal

A

-1

30
Q

Naming Ionic Compounds

A

Metal name first, followed by nonmetal
metals charge indicated by roman numerals
none metal ending exchanged with “IDE”

31
Q

______ are ionic compounds containing a specific number of water for each formula unit

A

Hydrates

32
Q

Naming hydrated Compounds

A

prefix + hydrogen after the name of the ionic compound

33
Q

Naming Molecular compounds

A

1.name the most “metallic” of the nonmetals first (closer to left and bottom of periodic table.
2.change the ending of nonmetal to “IDE”
3. Indicate the number of atoms of the nonmetal by latin prefixes

34
Q

____release hydrogen ions (H+) when dissolved in water

A

Acids

35
Q

naming Binary Acids

A

hyrdo + base name of nonmetal + -ic acid

36
Q

Naming Oxy-Acids (oxy-anions ending with -ate)

A

Base name of oxy-anion + ic acid

37
Q

Naming Oxy-Acids (oxy-anions ending with -ite)

A

Base name of oxy-anion + -ous acid

38
Q

What are 7 diatomic molecules

A

Nitrogen - N2
Hydrogen - H2
Oxygen - O2
Fluorine - F2
Chlorine - CL2
Bromine - Br2
Iodine - I2

Mo & Soo Chem 1211K (6 decks)

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