Calderglen High School Bonding - Formulae 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Calderglen High School

Write the formula for silver (I) chloride 1 Write the formula for silver (I) chloride answer AgCl Calderglen High School

What is the valency of iron in iron (III) oxide? 2 answer 3 Calderglen High School

Roman Numerals in brackets eg copper (II) chloride = valency 2 How is the valency of a transition metal shown in the names of its compounds? 3 answer Roman Numerals in brackets eg copper (II) chloride = valency 2 Calderglen High School

What is the chemical formula of hydrogen sulphide? 4 answer H2S Calderglen High School

What is the chemical formula of calcium oxide? 5 answer CaO Calderglen High School

What is the valency of the Group 7 elements? 6 answer 1 Calderglen High School

What is the valency of the Group 2 elements? 7 answer 2 Calderglen High School

What is the chemical formula of hydrogen? 8 answer H2 Calderglen High School

What is the chemical formula of carbon tetrachloride? 9 answer CCl4 Calderglen High School

What is meant by the prefix:- Mono? 10 answer Mono = 1 ie carbon monoxide molecules contain one oxygen atom (CO) Calderglen High School

What is meant by the prefix:- Di? 11 answer Di = 2 ie carbon dioxide molecules contain two oxygen atoms (CO2) Calderglen High School

What is meant by the prefix:- Tri? 12 answer Tri = 3 ie sulphur trioxide molecules contain three oxygen atoms (SO3) Calderglen High School

What is meant by the prefix:- Tetra? 13 answer Tetra = 4 ie carbon tetrachloride molecules contain four chlorine atoms (CCl4) Calderglen High School

How many atoms of each element are present in a molecule of H2O? 14 answer H = 2 O = 1 Calderglen High School

How many atoms of each element are present in a molecule of C6 H12O6? 15 answer C = 6 H = 12 O = 6 Calderglen High School

Which elements have the most stable electron arrangement? 16 Which elements have the most stable electron arrangement? answer The Noble Gases Calderglen High School

Name the compound with the formula N2O4 17 answer Dinitrogen tetroxide (tetraoxide) Calderglen High School

What type of elements do not normally form bonds with other elements? 18 What type of elements do not normally form bonds with other elements? answer The Noble Gases Calderglen High School

What type of elements bond together to form covalent bonds? 19 What type of elements bond together to form covalent bonds? answer Non Metals Calderglen High School

A group of atoms joined together by covalent bonds What is a molecule? 20 answer A group of atoms joined together by covalent bonds Calderglen High School

Calderglen High School 21 What is the formula for copper(II) Nitrate? (You will need to use the Data Book) answer Cu2(NO3)1 Answer - Cu(NO3)2 Calderglen High School

Calderglen High School An ionic compound has the formula X2O.In what Group of the Periodic Table could the element X be found? 22 answer Group 1 because it’s valency is 1 Calderglen High School

What is the molecular formula for this molecule? 23 answer C2H6O H H H C C O H H H Calderglen High School

What is the correct formula for this molecule? 24 answer H CHCl3 C Cl Cl Cl Calderglen High School