Bonding General Concepts

Question 1

Types of chemical bonds

Answer 1

Chemical bonds are forces that hold groups of atoms together and make them function as a unit

Question 2

Why do chemical bonds happen

Answer 2

The attraction of atoms for the extra electrons and the very strong metal attractions of oppsitively charged ions provide driving forces for the process

Question 3

Ionic bonding

Answer 3

The bonding forces that produce the greatest stability by the attraction of the closely packed and oppositely charged ions
Involves a metal that looses electrons relatively easily and an atom with high electron affinity

Question 4

What happens if the atoms are too close

Answer 4

The bonds are too strong

Question 5

What happens if the atoms are too close

Answer 5

Strong repulsion’s occure

Question 6

What happens if atoms are too far

Answer 6

Attractions are weak and no bonding occurs

Question 7

Polar covalent bonds

Answer 7

In which the electrons are not shared equally because3 one atom attracts them more

Question 8

Why certain atoms exhibit higher electron affinity

Answer 8

Attributed to the concept because of electro negativity

Question 9

Electronegativity

Answer 9

The ability of an atom in a molecule to attract shared electrons to itself

Question 10

What happens if two electrons have the same electronegativity

Answer 10

Delta is zero

Question 11

Dipole moment

Answer 11

A property of molecules whose charge distribution can be represented by a center positive charge and a center of negative charge

Question 12

Bod polarity of H20

Answer 12

Oxygen is more electronegative than hydrogen
Electrons reside close to the oxygen
Water is depolarization compound with a dipole moment

Question 13

Types of molecule that don’t have dipole moment

Answer 13

• liners molecules with two identical bonds
• planar molecules with three identical bonds
• tetrahedral molecules with four identical bonds at 109.5

Question 14

how do non-metallic atoms acquire the configuration of noble gases

Answer 14

Sharing electrons with other non-metals

Taking electrons from metals to form anions

Question 15

How do metals acquire the configuration of noble gases

Answer 15

They loose their valence electrons to the non-metals

Question 16

How can you predict chemical formulas for ions compounds

Answer 16

Metal looses electrons 
Nonmetals gain 
1A looses one
2A looses two 
6A gains two 
7A gains one

Question 17

Size of ions

Answer 17

Cation (positive charge) decreases because they loose electrons
Anion (negative charge) increases the size because they gain electrons

Question 18

Isoelectrons

Answer 18

Same electrons configuration but different sizes

Question 19

Comparing sizes in isoelectric cases

Answer 19

The size of an ion decreases as the number if protons increases because there is more favorable proton-electron interactions