Interpretation:
The highest and lowest ionization energy should be identified given the four different elements of (
Concept Introduction:
Ionization energy (IE): The ionization energy is the required to remove an electron from an atom in the gas phase.
General formula of ionization energy=
Electronegativity: It is measure of the tendency of an atom to attract a bonding pair of electrons. For example the (F) fluorine is more electronegative element is assigned a value f (4.0) and values range down to cesium (CS) and francium (Fr) which are the largest electronegative at (0.7) range, generally the Pauling scale is used to analyze the electronegative range (or) properties.
Increase and decrease electronegativity: The less vacancy electrons an atoms has the least it will gain of electrons. Moreover the
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Chemistry & Chemical Reactivity
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- Q1. This question is about atomic structure. (a) Write the full electron configuration for each of the following species. CH Fe2+ (b) Write an equation, including state symbols, to represent the process that occurs when the third ionisation energy of manganese is measured. (c) State which of the elements magnesium and aluminium has the lower first ionisation energy Explain your answer. (d) A sample of nickel was analysed in a time of flight (TOF) mass spectrometer. The sample was ionised by electron impact ionisation. The spectrum produced showed three peaks with abundances as set out in the table. m/z Abundance /% 58 61.0 60 29.1 61 9.9 Give the symbol, including mass number, of the ion that would reach the detector first in the sample. Calculate the relative atomic mass of the nickel in the sample. Give your answer to one decimal place. Page 2 of 12 Symbol of ion Relative atomic massarrow_forwardArrange in order of increasing nonmetallic character. (Use the appropriate <, =, or > symbol to separate substances in the list.) (a) the Period 4 elements V, Ge, and K (b) the Group 5A elements N, As, and Bi Arrange in order of increasing atomic size. (Use the appropriate <, =, or > symbol to separate substances in the list.) (a) the Period 3 elements Mg, Si, and Ar (b) the Group 2A elements Ca, Ba, and Srarrow_forwardArrange in order of increasing nonmetallic character. (a) the period 4 elements Ga, Ge, Ti (b) the Group 5A elements P, Bi, and Narrow_forward
- Which of the following elements is expected to have the highest SECOND IONIZATION ENERGY: (A) Be (B) Ca (C) Mg (D) Naarrow_forward2. The ionization energy of an element is defined as the amount of energy required to remove an electron from an individual atom. The following table gives the ionization energy (in units of kilojoules per mole) for five metals, listed in alphabetical order. Locate each of these metals on the periodic table and arrange them in order of rows and columns as in the periodic table. (a) Describe the periodic trend in the ionization energy of elements within a group. (b) Describe the periodic trend in the ionization energy of elements across a period. Metal Calcium Magnesium Potassium Sodium Strontium Ionization Energy 590 738 419 496 549 Materialsarrow_forwardchoose three . What are the characteristerses of a metal like element? (a) they try to get additional electrons (b) they are melleable. (c) they are lightly to give away or share electrons. (d) they are good conductors of electricityarrow_forward
- How is the periodic Table arranged? (A) Horizontally ( B) Vertically (C) Atomic Mass. (D) Periods and Groupsarrow_forwardGive the ground-state electron configuration of the following elements. (a) Lithium (b) Sodiumarrow_forwardQ2. This question is about the periodicity of the Period 3 elements. (a) State and explain the general trend in first ionisation energy across Period 3. Give one example of an element which deviates from the general trend in first (b) ionisation energy across Period 3. Explain why this deviation occurs. Page 3 of 12 (c) The table shows successive ionisation energies of an element Y in Period 3. lonisation number 1 2 3 4 5 6 7 8 lonisation energy kJ mol- 1000 2260 3390 4540 6990 8490 27 100 31 700 Identify element Y Explain your answer using data from the table. (d) Identify the Period 3 element that has the highest melting point. Explain your answer by reference to structure and bonding.arrow_forward
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