1f - ionic bonding

Question 1

what is an ion?

Answer 1

An ion is an electrically charged atom or group of atoms formed by the loss or gain of electrons

Question 2

True or false?

ions form to obtain a full outer shell of electrons

Answer 2

True

Question 3

Are onions positive or negative ions

Answer 3

Anions on negative ions

Question 4

How are anions formed

Answer 4

Anions are formed when atoms again elections

Question 5

True or false

cations are formed by ions losing electrons

Answer 5

False

Question 6

do metals lose or gain electrons to other atoms?

Answer 6

metals lose electrons to other atoms.

Question 7

why do non-metals gain electrons?

Answer 7

to obtain a full outer shell of electrons.

Question 8

what type of ion do metals usually form?

Answer 8

metals usually form cations/positive ions

Question 9

give two reasons why cations are positively charged.

Answer 9

• they lose electrons
• they have more protons than electrons

Question 10

what is the charge of a group 2 ion?

Answer 10

2+

Question 11

true or false?

group 1 elements form 1+ ions.

Answer 11

true

Question 12

what is the charge of a group 7 ion?

Answer 12

1-

Question 13

true or false?

group 7 elements form 1+ ions

Answer 13

false.

group 7 forms 1- ions

Question 14

which group of the periodic table forms 3- ions?

Answer 14

group 5

Question 15

how do you balance charges for ionic compounds?

Answer 15

multiply ions by numbers such that the SUM of charges is 0

Question 16

what does a dot and cross diagram show?

Answer 16

the transfer of electrons between atoms to form ions in an ionic bond.

Question 17

what is formed when an atom loses an electron?

Answer 17

a positively charged ion/cation

Question 18

what type of forces hold ionic compounds together?

Answer 18

strong electrostatic forces of attraction between oppositely charged ions.

Question 19

true or false?

ionic compounds have high melting points and boiling points.

Answer 19

true. this is because they have strong electrostatic forces holding the ions together.

Question 20

what is the structure of ionic compounds called

Answer 20

a giant ionic lattice

Question 21

are ionic compounds usually solid or liquid at room temp?

Answer 21

they are usually solid

Question 22

what are electrostatic forces?

Answer 22

they are the attractive (or repulsive) forces between charged particles.

Question 23

why are ionic compounds soluble in water?

Answer 23

because they are polar.

Question 24

in an ionic lattice, what direction do the electrostatic forces act in?

Answer 24

they act in all directions

Question 25

in an ionic solution, what moves to all electrical current flow

Answer 25

the movement of ions allows electrical current to flow.

Question 26

describe the structure of a giant ionic lattice

Answer 26

it is a series of positively charged ions arranged in an alternating pattern.