Calderglen High School Bonding 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Calderglen High School

1 What is an ION? answer A charged particle formed when electrons are gained or lost by an atom Calderglen High School

How is a positive ion formed? 2 How is a positive ion formed? answer An atom (usually a metal atom) loses an outer electron(s) Calderglen High School

How is a negative ion formed? 3 How is a negative ion formed? answer An atom (usually a non metal atom) gains an electron(s) Calderglen High School

Attractions between atoms which hold them together 4 What are BONDS? answer Attractions between atoms which hold them together Calderglen High School

Two or more non metal atoms joined together by covalent bonds 5 What is a MOLECULE? answer Two or more non metal atoms joined together by covalent bonds Calderglen High School

What is the CHEMICAL FORMULA of a substance? 6 What is the CHEMICAL FORMULA of a substance? answer The ratio of atoms of each element in the substance Calderglen High School

7 What is a COVALENT BOND? + + answer 2 non metal atoms sharing a pair of electrons Calderglen High School

What type of elements do not normally form bonds with other elements? 8 What type of elements do not normally form bonds with other elements? answer The Noble Gases Calderglen High School

Which elements have the most stable electron arrangement? 9 Which elements have the most stable electron arrangement? answer The Noble Gases Calderglen High School

With a full outer energy level. 10 Why do atoms bond? answer To get a stable electron arrangement With a full outer energy level. Calderglen High School

Name the two types of bonding found in compounds? 11 Name the two types of bonding found in compounds? answer Covalent bonds and Ionic bonds Calderglen High School

Which type of elements are involved in covalent bonding? 12 Which type of elements are involved in covalent bonding? answer Only non-metals Calderglen High School

Which type of elements are involved in ionic bonding? 13 Which type of elements are involved in ionic bonding? answer Metals with non-metals Calderglen High School

How is an ionic bond formed ? 14 How is an ionic bond formed ? answer Transfer of electrons from the metal atom to the non-metal atom. Calderglen High School

15 How do metals form ions ? answer Metal atoms lose outer electrons to form positive ions Calderglen High School

How do non-metals form ions ? 16 How do non-metals form ions ? answer Non-metal atoms gain electrons to form negative ions Calderglen High School