PHS: Edexcel C5,C6,C7 Bonding

What do we call an atom that has gained, or lost, an electron?

• ion

• isotope

• electrostatic

• covalent

What do we call a positive ion?

• cation

• cathode

• anion

• anode

Bromine is in group 7 of the periodic table, what is the symbol for a bromide ion?

• Br

• Br^-

• Br⁺

• Br⁷

A sulfur atom contains 16 protons, what would be it's electronic configuration?

• 16

• 2, 8, 6

• 8, 8

• 10, 6

What type of structure do ionic compounds form?

• lattice

• metallic

• giant

• simple molecular

If sodium is in group 1 and fluorine in group 7, what is the formula for sodium fluoride?

• NaF

• Na₂F

• NaF₂

• NaF²

If calcium is in group 2 and chlorine in group 7, what is the formula for calcium chloride?

• CaCl

• Ca₂Cl

• CaCl₂

• CaCl²

What do we call groups of two or more atoms that have become charged?

• polyatomic ions

• monoatomic ions

• atomic ions

• compound ions

What type of forces are present in an ionic compound?

• electrostatic

• magnetic

• nuclear

• covalent

A lot of energy is needed to overcome the strong forces between ions in an ionic compound. This results in ionic compounds having a ... ?

• high melting point

• high boiling point

• low melting point

• low boiling point