1. Chlorine reacts with water in the following reaction…    Write an equation to show how Bromine reacts with water.2. The...
1. Chlorine reacts with water in the following reaction…   Write and equation to show how Bromine reacts with   water.2. T...
3. Why do elements in a given group of the periodic   table show similar chemical properties.   Groups share the same chem...
5. Why do the elements of a given period always follow   the progression of metal to metalloid to nonmetal to   noble gas....
1.    What are two metalloids that belong to the same group on the      periodic table?2.    Describe one chemical propert...
1. What are two metalloids that belong to the same   group on the periodic table?   Ge and As (Period 4)   Sb and Te (Peri...
3. Element M was obtained from a meteorite sample.   Experiments have determined that the element is a member   of Group 2...
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Periodic table quiz 1 and 2

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Periodic table quiz 1 and 2

  1. 1. 1. Chlorine reacts with water in the following reaction… Write an equation to show how Bromine reacts with water.2. The Na+ ion has a smaller radius than the Ne atom. Explain why this is so.3. Why do elements in a given group of the periodic table show similar chemical properties.4. What change in charge takes place as a metal loses one or more electrons.5. Why do the elements of a given period always follow the progression of metal to metalloid to nonmetal to noble gas.
  2. 2. 1. Chlorine reacts with water in the following reaction… Write and equation to show how Bromine reacts with water.2. The Na+ ion has a smaller radius than the Ne atom. Explain why this is so. Even though Na is in period 3 and has a third shell while Ne is a noble gas in period 2 and only has two shells the Na+ ion loses its outermost third shell when it loses its valence electron. The extra proton that sodium has also serves to pull the two remaining shells in closer.
  3. 3. 3. Why do elements in a given group of the periodic table show similar chemical properties. Groups share the same chemical characteristics due to having the same number of valence electrons.4. What change in charge takes place as a metal loses one or more electrons. The metal becomes a positive ion and its ionic radius decreases.
  4. 4. 5. Why do the elements of a given period always follow the progression of metal to metalloid to nonmetal to noble gas. Because as you move from left to write within a period (increasing atomic number) you pass through all of the different groups on the table.
  5. 5. 1. What are two metalloids that belong to the same group on the periodic table?2. Describe one chemical property of Group 1 metals that results from the atom of each metal having only one valence electron?3. Element M was obtained from a meteorite sample. Experiments have determined that the element is a member of Group 2 on the periodic table. a. What phase of matter would element M be at STP b. Explain why the radius of a positive ion of element M is smaller than an atom of element M.4. Using information from the periodic table, explain why radium forms chemical bonds in the same way as calcium does?
  6. 6. 1. What are two metalloids that belong to the same group on the periodic table? Ge and As (Period 4) Sb and Te (Period 3)2. Describe one chemical property of Group 1 metals that results from the atom of each metal having only one valence electron? Highly Reactive, Group 1 metals all become ions with a +1 charge.
  7. 7. 3. Element M was obtained from a meteorite sample. Experiments have determined that the element is a member of Group 2 on the periodic table. a. What phase of matter would element M be at STP Solid. b. Explain why the radius of a positive ion of element M is smaller than an atom of element M. The radius of positive ions is smaller than the atomic radii because one or more electrons have been lost.4. Using information from the periodic table, explain why radium forms chemical bonds in the same way as calcium does? Radium (Ra) and Calcium (Ca) are both Alkali Earth Metals (Group 2) on the periodic table and elements and each has two valence electrons therefore there chemical reactivitites will be similar.
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