Periodic table chemistry spm
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State why nitric (V) acid is stored in dark bottles.Describe how the acid can be concentrated. 60 – 65% nitric (V) acid is produced in the absorption chamber.Describe what happens in the catalytic chamber.The following flow chart shows the industrial manufacture of Nitric (V) acid.State whether each of the oxides (i) above is basic or acidic.Write down equations to show the combustion of each of the elements.Compound C and G were completely burned in oxygen.Write the type of bond present in a compound formed between D and A.Explain how the atomic radii of the following compare:.Which element has the same electron arrangement as the stable ion of:.Write down the formula of the compound formed between C and A.(The letters are not the actual symbols). Use it to answer the questions that follow: The grid below is part of the periodic table.A non metallic element with the largest bbatomic size? Explain.A metallic element which forms ions with the smallest ionic radius? Explain.The letters do not represent the actual symbols of the elements. Use it to answer the questions that follow.
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Use the information in the table below to answer the questions that follow.Define the term melting point of a substance.L 3 has the highest electrical conductivity. Study the table below and answer the questions that follows:- (Letters are not the actual symbols of element).Draw an electrochemical cell for the above cell.It consists of two isotopes 28 X and Q X.Ī sample of X was found to consist of 90% of 28 X.If the relative atomic mass of X is 28.3, work out the number of neutrons in Q X Element X is found in period III and group IV.How would you distinguish between the two solids? Copper (II) oxide and charcoal are black solids.An ion of oxygen is larger than oxygen atom.Carbon and silicon belong to the same group of the periodic table, yet Carbon (IV) oxide is a gas while silicon (IV) oxide is a solid with a high melting point.State two conditions under which the compound would conduct electricity.Determine the relative formula mass of the compound formed between T and Z.How many protons are there in the nucleus of ?.The table below gives information about the ions T + and Z 2.In which group f the periodic table is element G ?.An oxide of element G has the formula as G 2 O 3.The relative atomic mass of the naturally occurring is 63.55. An element M has two isotopes M and M.The table below shows the relative atomic masses and the percentage abundance of the isotopes L 1 and L 2 of element L.Ĭalculate the relative atomic mass of element K.Given that isotope C contains 31 neutrons in its nucleus find the number of protons in isotope B What is the relative atomic mass of element V? Ĭalculate the relative atomic mass of element M The table below shows the relative atomic masses and the percentage abundance of isotope M 1 and M 2 of element M.Which element has higher ionization energy? Explain.Write the electronic arrangement of A and B.Element A has atomic mass 23 and element B has atomic mass 7 and also have 12neutorns and 4 neutrons respectively.Moles of sodium carbonate in 25cm of the solution.25cm 3 of this solution neutralized 20cm 3 of 0.25M nitric acid. In an experiment an unknown mass of anhydrous sodium carbonate was dissolved in water and the solution made up to 250cm 3.