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Flashcards in Ck2 Deck (33)
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0
Q

Any process that results in the formation of an ion

A

Ionization

1
Q

One-half the distance from the nucleus of one atom to the nucleus of an adjacent, identical atom in a molecule

A

Atomic radius

2
Q

The energy required to cause a gaseous atom or ion to release an electron

A

Ionization energy

3
Q

The amount of energy involved when an electron is acquired by a neutral gaseous atom

A

Electron affinity

4
Q

A symbolic representation of the composition of a compound using elemental symbols and numerical subscripts to show both the kinds of elements that compose the compound and the proportion of atoms of each element in the compound

A

Chemical formula

5
Q

The distance at which attraction is greatest and potential energy is least

A

Bond length

6
Q

A covalent in which the bonding electrons are shared equally by both atoms

A

Nonpolar covalent bond

7
Q

A covalent in which the bonding electrons are shared unequally by both atoms

A

Polar covalent bond

8
Q

Elements tend to react chemically to form compunds so that each atom, by gaining, losing, or sharing electrons, achieves a stable octet in its highest occupied energy level

A

Octet Rule

9
Q

All objects within a closed system tend to move towars a state of greater stability but lower pontential energy

A

Second Law Of Thermodynamics

10
Q

Any property of an element that increases or decreases in character or intensity as the atomic number increases, either along a period or down a group on the Periodic Table of the Elements

A

Periodic function

11
Q

The measure of the power of an atom in a molecule to attract electrons to itself

A

Electronegativity

12
Q

The energy required to dislodge a second electron from an atom or ion

A

Second Ionization Energy

13
Q

___________ is generally determined by how easily an atom gives up an electron or by how closely an element resembles ____________________.

A

metallic character…. Physical properties of an element

14
Q

If an atom gains an electron and achieves a _______ stable electron structure, energy is released.

A

More

15
Q

If an atom gains an electron and achieves a _______ stable electron structure, energy is gained

A

Less

16
Q

An electron affinity with a ________ value indicates an endorhermic reaction; a __________ value indicates an exothermic reaction

A

Positive ….. Negative

17
Q

Electronegativity values are based on the electronegativity of the element ____________

A

Fluorine

18
Q

The three types of chemical bonds are ____________ bonds, __________ bonds, and __________ bonds.

A

Covalent…. Ionic … Metallic

19
Q

Attractive force that holds atoms together in compounds

A

Chemical bond

20
Q

Energy required to break a chemical bond

A

Bond energy

21
Q

Bond created by attraction of ions

A

Ionic bond

22
Q

Bond created by sharing electrons

A

Covalent bond

23
Q

Bond formed with metal ions and free electrons

A

Metallic bond

24
Q

Molecule containing only two atoms

A

diatomic molecule

25
Q

Simplest unit indicated by the formula of any compund

A

Formula unit

26
Q

Shows the types and number of atoms in single molecule

A

Molecular formula

27
Q

Pair of electrons thats enters into the covalent bond

A

Shared pair

28
Q

Pair electrons that does not enter into the covalent bond

A

Unshared pair

29
Q

Partial positive charge of an atom in a polar covalent molecule

A

£+ (no sale el signo so puse eso LOL

30
Q

Dipolar character

A
  • |———–>
31
Q

Ion with positive charge

A

Cation

32
Q

Ion with negative charge

A

Anion