ionic bonds

Question 1

What is electrostatic attraction?

Answer 1

The force that draws together oppositely charged ions.

Question 2

Fill in the blank: The attraction between positively charged ions and negatively charged ions is known as __________.

Answer 2

electrostatic attraction

Question 3

What is the charge of a cation?

Answer 3

Positive

Question 4

What is the charge of an anion?

Answer 4

Negative

Question 5

What role do electrons play in the formation of ions?

Answer 5

Electrons are lost or gained to form cations and anions.

Question 6

True or False: Electrostatic attraction can occur in neutral atoms.

Answer 6

False

Question 7

What happens to the electrostatic attraction as the distance between ions increases?

Answer 7

It decreases.

Question 8

What type of bond is formed due to electrostatic attraction?

Answer 8

Ionic bond

Question 9

Fill in the blank: The process of forming ions through the loss or gain of electrons is called __________.

Answer 9

ionization

Question 10

What is the result of electrostatic attraction between ions in a solution?

Answer 10

Formation of an ionic lattice.

Question 11

How does ionic radius affect ionic bond strength?

Answer 11

As ionic radius decreases, ionic bond strength generally increases due to closer proximity of charged ions.

Question 12

What is ionic charge?

Answer 12

Ionic charge refers to the electric charge an ion carries, determined by the loss or gain of electrons.

Question 13

Fill in the blank: The strength of ionic bonds increases with __________ ionic charges.

Answer 13

increasing

Question 14

Which ion would likely form a stronger ionic bond: Na+ or Mg2+?

Answer 14

Mg2+

Question 15

What happens to ionic bond strength as the distance between ions increases?

Answer 15

Ionic bond strength decreases as the distance between ions increases.

Question 16

Short Answer: Name one property that can be affected by the strength of ionic bonds.

Answer 16

Melting point

Question 17

Fill in the blank: The greater the difference in __________ between two ions, the stronger the ionic bond.

Answer 17

electronegativity

Question 18

Which has a larger ionic radius: Cl- or Na+?

Answer 18

Cl-

Question 19

True or False: Ionic bonds are generally stronger in gaseous states compared to solid states.

Answer 19

False

Question 20

How does lattice energy relate to ionic bond strength?

Answer 20

Higher lattice energy indicates stronger ionic bonds.

Question 21

What effect does ion pairing have on ionic bond strength?

Answer 21

Ion pairing can increase effective ionic bond strength by reducing the distance between oppositely charged ions.

Question 22

What is the trend of ionic radius in the periodic table?

Answer 22

Ionic radius decreases across a period and increases down a group.

Question 23

Multiple Choice: Which of the following ions has the smallest ionic radius? A) K+ B) Ca2+ C) Al3+ D) Na+

Answer 23

C) Al3+

Question 24

True or False: The size of an ion can change when it forms a bond.

Answer 24

True

Question 25

Short Answer: What role does ionic bond strength play in the solubility of ionic compounds?

Answer 25

Stronger ionic bonds generally lead to lower solubility in polar solvents.

Question 26

What is an ion?

Answer 26

An ion is an atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.

Question 27

True or False: Cations are formed by the loss of electrons.

Answer 27

True

Question 28

What type of ion is formed when an atom gains electrons?

Answer 28

Anion

Question 29

Fill in the blank: A cation has a _______ charge.

Answer 29

positive

Question 30

What is the charge of an anion?

Answer 30

Negative

Question 31

Which of the following is a cation? a) Cl- b) Na+ c) O2-

Answer 31

b) Na+

Question 32

True or False: Ions can only be formed from neutral atoms.

Answer 32

True

Question 33

What happens to an atom's electron configuration when it forms a cation?

Answer 33

The atom loses one or more electrons.

Question 34

Multiple choice: Which process describes the formation of an anion? a) Ionization b) Electron affinity c) Electron loss

Answer 34

a) Ionization

Question 35

What is the general trend for ionization energy across a period in the periodic table?

Answer 35

Ionization energy increases across a period.

Question 36

What is the primary factor that determines whether an atom will lose or gain electrons?

Answer 36

The atom's electronegativity and ionization energy.

Question 37

Which group in the periodic table typically forms cations?

Answer 37

Alkali metals and alkaline earth metals.

Question 38

What is a polyatomic ion?

Answer 38

A polyatomic ion is a charged species composed of two or more atoms bonded together.

Question 39

Fill in the blank: When an atom gains an electron, it becomes a _______.

Answer 39

negative ion (anion)

Question 40

Which ion is formed from the element oxygen?

Answer 40

O2- (oxide ion)