Final Exam - Dawson College
... Smallest atomic radius in Group 6A Largest atomic radius in Period 6 Condensed ground-state electron configuration is [Ne] 3s23p2 The period 4 member whose (2-) ion is isoelectronic with Kr A transition metal ion with a charge of 1+ having 5 unpaired “4d” electrons The element with the highest first ...
... Smallest atomic radius in Group 6A Largest atomic radius in Period 6 Condensed ground-state electron configuration is [Ne] 3s23p2 The period 4 member whose (2-) ion is isoelectronic with Kr A transition metal ion with a charge of 1+ having 5 unpaired “4d” electrons The element with the highest first ...
Answers - U of L Class Index
... Why would BeCl2 be a molecular compound when all of the other alkaline earth metals react with chlorine gas to give ionic compounds? [2 marks] The Be2+ cation is very small. Therefore, its charge density is much higher than any other M2+ cation formed from an alkaline earth metal. This makes Be2+ a ...
... Why would BeCl2 be a molecular compound when all of the other alkaline earth metals react with chlorine gas to give ionic compounds? [2 marks] The Be2+ cation is very small. Therefore, its charge density is much higher than any other M2+ cation formed from an alkaline earth metal. This makes Be2+ a ...
COURSE TITLE: International Marketing
... b) Highlight FIVE various commercial documents required for shipment of export goods. (5 Marks) QUESTION FIVE a) Outline FIVE elements of culture and how they impact upon international marketing. (5 Marks) b) Trade restrictions have both negative and positive effects in international trade. Discuss ...
... b) Highlight FIVE various commercial documents required for shipment of export goods. (5 Marks) QUESTION FIVE a) Outline FIVE elements of culture and how they impact upon international marketing. (5 Marks) b) Trade restrictions have both negative and positive effects in international trade. Discuss ...
the nakuru district sec. schools trial examinations - 2015
... (b) State giving reasons how an increase in pressure would affect the equilibrium (1 mark) No effect since volume of gaseous reactants equals the volume of gaseous product. 15. State and explain the observations made when excess ammonia gas reacts with chlorine gas (3 marks) ...
... (b) State giving reasons how an increase in pressure would affect the equilibrium (1 mark) No effect since volume of gaseous reactants equals the volume of gaseous product. 15. State and explain the observations made when excess ammonia gas reacts with chlorine gas (3 marks) ...
SAMPLE QUESTION PAPER CHEMISTRY (313)
... (iii) The property of linking of atoms of the same element with ano there to form chains or signs is known as catenation. (iv) The substance which have the same molecular formula but differ in their physical and Chemical properties are called isomers. This general phenomenon is known as isomerism. 1 ...
... (iii) The property of linking of atoms of the same element with ano there to form chains or signs is known as catenation. (iv) The substance which have the same molecular formula but differ in their physical and Chemical properties are called isomers. This general phenomenon is known as isomerism. 1 ...
Ch17 - Edco
... This could be done by offering a Ford Ka as a prize in a draw for a Woman’s charity or other good cause. P.R. can be a very effective way of getting around people’s resistance to direct advertising, by creating a positive attitude towards the product. (iii) Personal Selling: This means using, face t ...
... This could be done by offering a Ford Ka as a prize in a draw for a Woman’s charity or other good cause. P.R. can be a very effective way of getting around people’s resistance to direct advertising, by creating a positive attitude towards the product. (iii) Personal Selling: This means using, face t ...
View/Open - Technical University of Mombasa
... SERIES: APRIL 2013 TIME: 2 HOURS INSTRUCTIONS: Answer Question ONE (Compulsory) and any other TWO questions. This paper consists of Two printed pages ___________________________________________________________________________________ QUESTION 1 (Compulsory) a) ...
... SERIES: APRIL 2013 TIME: 2 HOURS INSTRUCTIONS: Answer Question ONE (Compulsory) and any other TWO questions. This paper consists of Two printed pages ___________________________________________________________________________________ QUESTION 1 (Compulsory) a) ...
A-level Chemistry Modified question paper Unit 01
... • the Periodic Table/Data Sheet, provided as an insert (enclosed) • a ruler with millimetre measurements • a calculator. TIME ALLOWED • 1 hour 15 minutes At the top of the page write your surname and other names, your centre number, your candidate number and add your signature. [Turn over] ...
... • the Periodic Table/Data Sheet, provided as an insert (enclosed) • a ruler with millimetre measurements • a calculator. TIME ALLOWED • 1 hour 15 minutes At the top of the page write your surname and other names, your centre number, your candidate number and add your signature. [Turn over] ...
Chemical Synthesis Using Earth-Abundant Metal
... (i.e., Pd, Pt, Ru, Rh, Ir, Ag and Au). The problem with precious metals is that they are expensive, steadily rarefying, and are generally non-renewable. Catalysts made from these metals can also be harmful to humans and to the environment. ...
... (i.e., Pd, Pt, Ru, Rh, Ir, Ag and Au). The problem with precious metals is that they are expensive, steadily rarefying, and are generally non-renewable. Catalysts made from these metals can also be harmful to humans and to the environment. ...
2003
... Why is the amount of energy needed to break the chemical bond in a hydrogen molecule greater than the energy needed to break the chemical bond in a hydrogen iodide molecule? The H – H bond is stronger than the H – I bond. ...
... Why is the amount of energy needed to break the chemical bond in a hydrogen molecule greater than the energy needed to break the chemical bond in a hydrogen iodide molecule? The H – H bond is stronger than the H – I bond. ...
Chem P 2 Siaya - magereza academy
... (ii)Describe how you would prepare crystals of sodium nitrate starting with 200cm3 of 2M Sodium hydroxide solution. (3 marks) 4. The table below shows the decay of phosphorous -32 with half life of 14.3 days. Time (days) Mass (g) Radioactivity (counts per min) ...
... (ii)Describe how you would prepare crystals of sodium nitrate starting with 200cm3 of 2M Sodium hydroxide solution. (3 marks) 4. The table below shows the decay of phosphorous -32 with half life of 14.3 days. Time (days) Mass (g) Radioactivity (counts per min) ...
Chemistry of Uniqueness and Value
... ● Calculate the average atomic mass of an atom given mass spectrometry data (masses of ...
... ● Calculate the average atomic mass of an atom given mass spectrometry data (masses of ...
1. Cl2 + 2Br- ® 2Cl- + Br2 formulae correct for elements 1 correct
... (allow x 2 for all terms) ...
... (allow x 2 for all terms) ...