C2.1 Structure and bonding

Question 0

What is a compound?

Answer 0

Substance, 2 or more elements, chemically combined

Question 1

What would have to happen to an atom for it to become a positively charged ion?

Answer 1

An atom would have to LOSE AN ELECTRON to become a positively charged ion

Question 2

What group of the periodic table does not react to form ions?

Answer 2

Group 0

Question 3

What is a quick way to work out the charge on a metal ion?

Answer 3

The metal’s GROUP NUMBER is equal to the number of charges on its ion

Question 5

What is a quick way to work out the charge on a non-metal ion?

Answer 5

The metal’s GROUP NUMBER MINUS 8 is equal to the number of charges on its ion

Question 6

What would the ions of the following elements be:

• Sodium
• Aluminium
• Oxygen
• Hydrogen

Answer 6

Na+, Al3+, O2-, H+

Question 7

Ions have the electronic structure of…

Answer 7

…a noble gas

Question 8

What happens when a halogen reacts with the alkali metals?

Answer 8

Ionic compounds are formed with a single negative charge

Question 9

What is an ionic compound? (4)

Answer 9

• A GIANT STRUCTURE (LATTICE) of ions
• With strong ELECTROSTATIC forces
• Between oppositely charged ions
• Forces act in ALL DIRECTIONS in the lattice

Question 10

What do metals consist of?

Answer 10

Giant structures of atoms, arranged in a regular pattern