| Date | November 2010 | Marks available | 1 | Reference code | 10N.1.sl.TZ0.8 |
| Level | SL | Paper | 1 | Time zone | TZ0 |
| Command term | Question number | 8 | Adapted from | N/A |
Question
Which properties of the alkali metals decrease going down group 1?
A. First ionization energy and reactivity
B. Melting point and atomic radius
C. Reactivity and electronegativity
D. First ionization energy and melting point
Markscheme
D
Examiners report
[N/A]
Syllabus sections
Show 143 related questions
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- 17N.2.sl.TZ0.2a: Explain the general increasing trend in the first ionization energies of the period...
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- 17N.1.sl.TZ0.7: Which trends are correct across period 3 (from Na to Cl)? I. Atomic radius decreasesII. ...
- 17N.2.hl.TZ0.3b: Explain why the melting points of the group 1 metals (Li → Cs) decrease down the group...
- 17M.2.sl.TZ2.1c.i: Some oxides of period 3, such as Na2O and P4O10, react with water. A spatula measure of each...
- 17M.1.hl.TZ2.5: X, Y and Z represent the successive elements, Ne, Na and Mg, but not necessarily in that...
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- 17M.2.sl.TZ1.2d.ii: Explain why an aluminium-titanium alloy is harder than pure aluminium.
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- 17M.1.sl.TZ1.8: Which oxide, when added to water, produces the solution with the highest pH? A. Na2O B....
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- 15M.1.sl.TZ1.8: What is the definition of the term first ionization energy? A. The energy released when...
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- 14M.1.sl.TZ2.8: Which pair of elements shows the greatest difference in electronegativity? A. Mg and...
- 14M.2.sl.TZ1.5b: (i) Predict any changes that may be observed in each...
- 14M.2.sl.TZ1.5e.ii: State the acid-base natures of \({\text{N}}{{\text{a}}_{\text{2}}}{\text{O}}\) and...
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- 14M.2.sl.TZ2.4b: The colour change in the reaction between aqueous chlorine and aqueous sodium iodide is very...
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- 13M.1.sl.TZ1.9: Which statements are correct? I. Fluorine will react with potassium chloride solution to...
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- 13M.2.sl.TZ2.6b.iv: Describe the colour change likely to be observed in this reaction.
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- 10N.1.sl.TZ0.9: Which statements about the periodic table are correct? I. The elements Mg, Ca and Sr...
- 10N.1.sl.TZ0.10: The electronegativities of four different elements are given below (the letters are not their...
- 10N.2.sl.TZ0.4b: (i) Define the term electronegativity. (ii) Compare the relative polarities of the...
- 09N.1.hl.TZ0.8: Which species has the largest radius? A. Cl– B. K C. Na+ D. K+
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- 10M.2.sl.TZ1.4f: With reference to electronic arrangements, suggest why the reaction between rubidium and...
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- 10M.1.sl.TZ2.8: Which property decreases down group 7 in the periodic table? A. Melting point B. ...
- 10M.1.sl.TZ2.9: Which oxides produce an acidic solution when added to water? I. ...
- 10M.2.sl.TZ2.5a: (i) Identify the property used to arrange the elements in the periodic table. (ii) ...
- 10M.2.sl.TZ2.3a: Explain the increase in the melting point from sodium to aluminium.
- 10M.2.sl.TZ2.3b: Explain why sulfur, \({{\text{S}}_{\text{8}}}\), has a higher melting point than phosphorus,...
- 10M.2.sl.TZ2.3c: Explain why silicon has the highest melting point and argon has the lowest melting point.
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- 09M.2.hl.TZ1.6b.iv: Explain why the quantitative value for the lattice enthalpy of calcium bromide is larger than...
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- 09M.2.sl.TZ1.5b.iv: Explain why a sulfide ion, \({{\text{S}}^{2 - }}\), is larger than a chloride ion,...
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- 09M.2.sl.TZ1.5b.ii: State the electron arrangement of argon and explain why the noble gases, helium, neon and...
- 09M.2.sl.TZ1.5b.v: Explain why the melting points of the Group 1 metals \({\text{(Li}} \to {\text{Cs)}}\)...
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- 09M.1.sl.TZ2.8: Which statement describes the trends of electronegativity values in the periodic table? A. ...
- 09M.1.sl.TZ2.9: Which statement is correct for all elements in the same period? A. They have the same...
- 09M.2.sl.TZ2.7c: Explain, using diagrams, why CO and \({\text{N}}{{\text{O}}_{\text{2}}}\) are polar molecules...
- 11M.1.hl.TZ1.8: Which statement about the elements in group 7 is correct? A. ...
- 11M.2.hl.TZ1.6f.ii: Samples of sodium oxide and solid sulfur trioxide are added to separate beakers of water....
- 11M.1.sl.TZ1.8: Which property increases down group 1? A. First ionization energy B. Melting...
- 11M.1.sl.TZ1.7: Which property generally decreases across period 3? A. Atomic number B. ...
- 11M.1.sl.TZ1.12: Which combination of the characteristics of element X, a metal, and element Y, a non metal,...
- 11M.2.sl.TZ1.5a.ii: Explain why the first ionization energy of magnesium is higher than that of sodium.
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- 11M.2.sl.TZ1.5a.i: Define the term first ionization energy.
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- 11M.2.hl.TZ2.5b.iii: State the equations for the reactions of sodium oxide,...
- 11M.2.hl.TZ2.7e.ii: Explain why an aqueous solution of sodium chloride cannot be used to obtain sodium metal by...
- 11M.1.sl.TZ2.12: The number of electrons in the valence shell of elements A and B, are 6 and 7 respectively....
- 12M.1.sl.TZ2.9: Which series is correctly arranged in order of decreasing radius? A. ...
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- 12M.2.sl.TZ2.3b: State and explain one difference between the reactions of sodium and potassium with water.
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- 11N.2.sl.TZ0.1c.i: Suggest why it is necessary for sodium to be removed by this reaction.
- 11N.2.sl.TZ0.5a: Deduce the balanced chemical equation for the reaction between sodium and sulfur. State the...
- 11N.2.sl.TZ0.5b: Describe the acid-base character of the oxides of the period 3 elements, Na to Cl. For the...
