Junior Cert Science

Question Answer
True or False. Ionic bonds are formed between metals and non metals True
What is a crystal lattice It is a regular arrangement of ions strongly held together in an ionic compound
Give 2 examples of an ionic compound Sodium chloride and Magnesium oxide
Are ionic compounds solid or liquid Usually crystalline solids
Do ionic compounds have a high or low melting point High melting point
Are ionic compounds soluble or insoluble in water Soluble
Are covalent compounds solid or liquid Usually liquids or gases
Do covalent compounds have high or low melting points Low melting and boiling points
What type of compound conducts electricity, ionic or covalent Ionic

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