Chemical bonds, ionic covalent and metallic

Question 1

Name the three types of bonding

Answer 1

1. Ionic
2. Covalent
3. Metallic

Question 2

In ionic bonds are do the particles have like charges or are they oppositely charged?

Answer 2

Oppositely charged

Question 3

Which two types of elements bond to make an ionic compound

Answer 3

Metal + Non-metal

Question 4

In covalent bonding, the particles are atoms that ___ pairs of electrons

fill in the blank

Answer 4

In covalent bonding, the particles are atoms that share pairs of electrons

Question 5

In metallic bonding the particles are atoms which share ____ electrons

fill in the blank

Answer 5

In metallic the particles are atoms which share delocalised electrons

Question 6

Which two types of elements bond to form a covalent bond?

Answer 6

Non-metal + Non-metal

Question 7

Which type(s) of element bond to form a metallic compound?

Answer 7

Metal + Metal

Alloy

Question 8

Name the two ways in which a covalent bond can be represented with a diagram

Answer 8

Dot and Cross diagram

Stick diagram

Question 9

What makes a double covalent bond a double covalent bond?

Answer 9

There are two shared pairs of electrons

Question 10

What makes a single covalent bond a single covalent bond

Answer 10

There is one shared pair of electrons

Question 11

What determines the type of covalent bond it will be

(e.g.single or double covalent bond)

Answer 11

The number of electrons being shared

Question 12

How do you draw a stick diagram for covalent bonding with different types* of bond

*different types meaning single or double bond

Answer 12

You draw the number of sticks that the bond is, e.g. if it’s a double bond, draw two sticks bonding the molecules.

Question 13

Explain covalent bonds in terms of electrostatic forces

Answer 13

In covalent bonding there is an electrostatic force of attraction between the shared pair of electrons and the positively charged nuclei (as opposite charges attract eachother).

Question 14

Explain ionic bonding in terms of electrostatic forces

Answer 14

In ionic bonding there is an electrostatic force of attraction between the metal ion* and the non-metal ion*

*metal ions are positive *non-metal ions are posistive

Question 15

Explain metallic bonding in terms of electrostatic forces

Answer 15

In metallic bonding there is an electrostatic force of attraction between the positiviely charged metal ions and the negatively charge delocalised electrons

(oppostie charges attract eachother)

Question 16

In ionic bonding are electrons shared or transferred?

Answer 16

Transferred

Question 17

Do metals lose or gain electrons?

Answer 17

Metals lose electrons

Question 18

What is the charge of a metal ion?

Answer 18

Positive

Question 19

What is the definition of an ion

Answer 19

An atom with the same number of protons but a different number of electrons

Question 20

Do non-metals gain or lose electrons?

Answer 20

Gain

Question 21

Are non-metal ions postively or negatively charge?

Answer 21

Negatively charged

Question 22

What is the electronic structure of an ionic compound formed from the bonding of a group 1 / 2 metal and a group 6 / 7 non-metal

Answer 22

The electronic structure is the same as the structure of a group 0 noble gas

Question 23

Name the way in which ionic compounds can be represented by a diagram

Answer 23

Dot and cross diagram

Question 24

What does the charge of metals* and non-metals* ions relate to?

*metals = group 1 and 2 // *non-metals= group 6 and 7

Answer 24

The group number of the element in the periodic table

Question 25

What are ionic compounds held together by?

Answer 25

strong electrostatci forces of attraction between oppositely charged ions

Question 26

In what direction do electrostatic forces act in an ionic lattice?

Answer 26

All directions

Question 27

Name the advantages of dot and cross diagrams

Answer 27

They clearly show how the electrons are transferred

Question 28

Name the disadvantages of dot and cross diagrams

Answer 28

• They do not show the 3D lattice structure of an ionic compound
• They fail to illustrate the relative size of the atoms and the bonds

Question 29

What are the advantages of ball and stick diagrams?

Answer 29

• They show how atoms are connected and how they are arranged in space

Question 30

Name the disadvantages of ball and stick diagrams?

Answer 30

They fail to indicate the movement of electrons

Question 31

Name the disadvantages of using 3D diagrams for representing molecules or giant covalent structures?

Answer 31

• Not to scale
• Fail to display the movement of electrons
• Fail to display the forces of attraction

Question 32

What are the disadvantages of using 2D diagrams?

Answer 32

They do not show the arrangement of molecules