Concept explainers
The colored spheres represent the ions
(a)
(b)
(c)
(d)
(e)
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CHEMISTRY (CUSTOM F/CHE 111/112)
- List the following ions in order of increasing radius. (Use the appropriate <, =, or > symbol to separate substances in the list.) Na+, Te2−, Li+, Br−arrow_forwardHow many valence electrons (A) metals have less than 2. (B) Less then or equal to 4. (C) 2. (D) Less than or equal to 3arrow_forwardArrange the following ions according to ionic radius (from largest radius to smallest radius: Mg2+ Na+ F- N3- O2-arrow_forward
- Arrange 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_forwardWhich of the following pairs of ions represent isoelectronic species? A) Mg²+ and O²- B) K+ and Li+ C) Ca²+ and F- D) Fe²+ and S²- E) Al³+ and Clarrow_forwardArrange these ions according to ionic radius. (Largest radius - Smallest radius) Mg2+ O2- N3- Na+ F-arrow_forward
- Consider the isoelectronic series Ca2+, Sc3+, Ti4+, V5+. Arrange these species as follows. (Use the appropriate <, =, or > symbol to separate substances in the list.) (a) in order of increasing atomic or ionic radius (b) in order of increasing ionization energyarrow_forward+ Which of the following pairs of ions represent isoelectronic species? A) Mg²+ and O²- B) K+ and Li+ C) Ca²+ and F- D) Fe²+ and S²- E) Al³+ and CIarrow_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
- Using only periodic table, arrange the following elements and ions in order of increasing size: P, P3-, Cl, Al, Al3+arrow_forwardQ1. 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_forward15. (a) b) Identify the element that is described by the following information. Refer to a periodic table if necessary. It is a group 14 (III A) metalloid in the 3rd period. It is a group 15 (VA) metalloid in the 5th period. It is the other metalloid in group 15 (VA). d) It is a halogen that exists in the liquid state at room temperature. 16. What is the relationship between electron arrangement and the organization of elements in the periodic table?arrow_forward
- Chemistry: Matter and ChangeChemistryISBN:9780078746376Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl WistromPublisher:Glencoe/McGraw-Hill School Pub CoChemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage Learning