Chemical Bonding

Question 1

Nucleus

Answer 1

Has positive protons and neutral neutrons

Question 2

Electrons

Answer 2

Circle the nucleus in shells.

Question 3

The number of protons

Answer 3

In an atom is called the atomic number.

Question 4

A compound

Answer 4

Is when two or more atoms of different elements have a chemical bond joining them together

Question 5

The octet rule

Answer 5

States that atoms will bond together so that each atom attains an electron arrangement with 8 electrons in its outermost shell.

Question 6

Ionic bonding

Answer 6

Between metals and non metals

Question 7

Ionic compounds form a

Answer 7

Crystal lattice

Question 8

Examples of ionic bonding

Answer 8

Sodium chloride (NaCl salt) and magnesium oxide (MgO)

Question 9

Ionic bonds

Answer 9

Five away or take an electron to fill their outer shell

Question 10

Convalescing bonding

Answer 10

Is when both atoms share electrons to get a full outer shell

Question 11

Ionic bonding

Answer 11

Is when one atom gives electrons and the other atom takes electrons to get a full outer shell.

Question 12

In ionic bonds positive and negative ions

Answer 12

Are mixed together

Question 13

What happens between positive and negative forces of irons?

Answer 13

They attract each other

Question 14

Strong attraction

Answer 14

Between them and this is what holds them together.

Question 15

Single covalent bonds

Answer 15

Occur when atoms share one pair of electrons

Question 16

Double covalent bond

Answer 16

Is formed when atoms share two pairs of electrons