0123-W011(H) MAKING IONS

What is the process of formation of ions?

• Atoms gaining or losing protons

• Atoms gaining or losing neutrons

• Atoms combining with other atoms

• Atoms gaining or losing electrons

Explain how an atom becomes an ion.

• Combining with other atoms

• Changing its mass

• Absorbing light energy

• Gaining or losing electrons

What type of ion formed when an atom loses electrons?

• positive ion

• neutral atom

• negative ion

• neutral ion

How does ionic compound formed??

• Non-metal and non-metal atoms joined together.

• Metal and metal atoms joined together.

• non-metal and metal atoms joined together.

• carbon joined together

Explain the concept of ionic bonding.

• Sharing of electrons between two non-metals

• Transfer of protons between a metal and a non-metal

• Formation of covalent bonds between two metals

• Transfer of electrons between a metal and a non-metal

What is the charge of an ion?

• The charge of an ion is always zero

• The charge of an ion is either positive or negative.

• The charge of an ion is always positive

• The charge of an ion is always neutral

How is the charge of an ion determined?

• By the size of the ion

• By the temperature of the ion

• By the number of electrons it has gained or lost

• By the color of the ion

What is the charge of atom Al when it lost 3 electrons?

• -3

• +3

• 3

• 0

What is the charge of atom Ag when it lost 1 electron?

• -1

• +1

• 1

• 0

What is the charge of atom Beryllium when it lost 2 electrons?

• -2

• +2

• 2

• 0