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- 2-44 Which period(s) in the Periodic Table contain(s) more nonmetals than metals? Which contain(s) more metals than nonmetals?Q2. 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.a ) Eva l u a te t h e expre s s i o n s 2 x 1, 2 x (1 + 3),2 x(1 + 3 + 5), and 2 x (1 + 3 + 5 + 7). (b) How do the atomic numbers of the noble gases relate to the numbersfrom part (a)? (c) What topic discussed is thesource of the number “2” in the expressions in part (a)?
- 1 (a)What charge is expected on F? Enter answer as -# or +# where # is the charge. b What charge is expected on Xe? Enter answer as -# or +# where # is the charge. c What charge is expected on P? Enter answer as -# or +# where # is the charge.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 massBefore Mendeleev published his periodic table, Döbereiner grouped elements with similar properties into “triads,” in whichthe unknown properties of one member could be predicted byaveraging known values of the properties of the others. To test this idea, predict the values of the following quantities:(a) The atomic mass of K from the atomic masses of Na and Rb(b) The melting point of Br₂ from the melting points of Cl₂(-101.0°C) and I₂(113.6°C) (actual value -7.2°C)
- Q1 a) Write the electronic configuration of an ion formed by an element of group1A and period 6. (2 marks) b) Mention the mass number and an atomic number of the above atom.(1 mark) c) What is the molarity of a solution containing 35 grams of CaCl2 in enough water to make 500mLof the solution? (2 marks) A- BI of| Course Home Tearn Round - Questions Con X 78cb250747ed75c0578b261b7#10001 Review Constants | Periodic Table Part B Arrange the elements in order of decreasing radius: S, Ca, F, Rb, and Si. Rank from largest to smallest. To rank items as equivalent, overlap them. Res Ca F Si Rb Largest Pearson ights reserved. Terms of Use | Pivacy Policy I Permissions | Contact Us | 10:39 PM 79 F Clear 口 x 10/5/2021Please answer these questions on your Page 4 (16) In the Zn²+ ion (in its ground state), how many electrons are 1 = 0 and s = -1/? The atomic number of Zn is 30. (17) In the As atom (in its ground state), how many electrons are l = 1 and m = +1? The atomic number of As is 33. (18) In the Fe³+ ion (in its ground state), how many electrons are m = 0? The atomic number of Fe is 26. (19) In the Zn atom (in its ground state), how many electrons are 1 = 2, m = +2, and S == -? The atomic number of Zn is 30. -1/? (20) In the Brion (in its ground state), how many electrons are m = +1 and s = − The atomic number of Br is 35.
- The graph at the right shows the atomic radius for the19 elements in the periodic table.(a) Describe the trend in atomic radius in going fromH (atomic number 1) to K (atomic number 19).(b) Find the three elements represented with blue dotson a periodic table. What do their placements in thetable have in common?(c) Find the three elements represented with red dotson a periodic table. What do their placements in thetable have in common?(d) Based on the graph, what is the radius of C?( a ) Eva l u a te t h e expre s s i o n s 2 * 1, 2 * 11 + 32,2 * 11 + 3 + 52, and 2 * 11 + 3 + 5 + 72. (b) How do the atomic numbers of the noble gases relate to the numbersfrom part (a)? (c) What topic discussed in Chapter 6 is thesource of the number “2” in the expressions in part (a)?Arrange the following sets of ions in order of decreasing ionic radii. (a) Br, Cl¯, O², s²- 02 Br > Cl- (b) Cs+, Fr+, Rb+ Fr+ Rb+ Cs+