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Chemistry > Chapter 3 > Flashcards

Chapter 3 Flashcards

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1
Q

If 2 elements combine to make a compound, and they are far away from each other there is a greater chance of them being?

A

Polar

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2
Q

Bi represents what in a compound name?

A

A Hydrogen molecule before the compound

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3
Q

Ionic bonds are between what elements?

A

Non-metals + Metals

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4
Q

Which compounds require prefixes when naming them?

A

Covalent Bonds

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5
Q

What structure are Ionic Compounds?

A

Crystalline

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6
Q

What structure are Covalent Bonds?

A

Crystalline or amorphous

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7
Q

What is a chemical bond?

A

The force of attraction between any 2 atoms in a compound.

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8
Q

What are Ionic Bonds?

A

A transfer of one or more electrons from one atom to another.

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9
Q

What are Covalent Bonds?

A

A chemical bond that involves the sharing of electron pairs between atoms.

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10
Q

Any bond with Flourine will cause the compound to be…?

A

Polar

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11
Q

What is electronegativity?

A

How much an element can attract electrons in a chemical bond.

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12
Q

Which element has the highest Electronegativity?

A

Fluorine

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13
Q

Bonds between non-metals and non-metals are?

A

Covalent Bonds

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14
Q

What does the (ic) at the end of a compound mean?

A

A higher charge

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15
Q

What does (ous) at the end of a compound mean?

A

A lower charge

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16
Q

What does (ate) at the end of a compound mean?

A

More oxygen

17
Q

What does (ite) at the end of a compound mean?

A

Less oxygen.

18
Q

Molecules can be unique to which bonds?

A

Covalent bonds

19
Q

What are 3 main properties of Ionic Compounds?

A
  • Usually solids
  • Higher melting points
  • Higher boiling points
20
Q

What are 3 main properties of Covalent Bonds?

A
  • Can be solids, liquids, and gases.
  • Lower melting points
  • Lower boiling points
21
Q

What trend does electronegativity follow?

A

Up a family, increases left to right

22
Q

Which metals form cations with varying positive charges?

A

Transition metals

23
Q

What is the correct order of bond lengths? (Shortest to longest)

A

Triple, double, single

24
Q

Which elements follow the octet rule?

A

Carbon, Nitrogen, Oxygen, Fluorine

25
Q

What is an expanded octet?

A

An element past the 3rd period

26
Q

What is VSEPR Theory, and what is it used for?

A

Valence Shell Electron Repulsion Theory. Used to predict the shape of molecules.

27
Q

What is an Intramolecular Force?

A

Attractive forces within molecules.

28
Q

What is an Intermolecular Force?

A

Attractive forces between molecules.

29
Q

Symmetry means?

A

A non- polar bond

30
Q

Asymmetry means?

A

A polar bond.

31
Q

Which bond has high electron affinity, and low electronegativity?

A

Ionic Bonds

Chemistry (7 decks)

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