Chat with us, powered by LiveChat Using the periodic table, classify each of the following elements as a metal or a nonmetal, and then further classify each as a representative element, transition metal, or inner transition metal: | WriteDen

Using the periodic table, classify each of the following elements as a metal or a nonmetal, and then further classify each as a representative element, transition metal, or inner transition metal:

CHEM1305 Introductory Chemistry

Chapter 5 Homework Assignment  

Question 1Using the periodic table, classify each of the following elements as a metal or a nonmetal, and then further classify each as a representative element, transition metal, or inner transition metal:

a. Se      nonmetal                    [“”, “”, “”]           

 

b. Yb                   [“”, “”]                                [“”, “”, “”]           

 

c. Mo                   [“”, “”]                                [“”, “”, “”]           

 

d. K                   [“”, “”]                   representative element

 

metal

 

 Question 2Give the group name for the following elements:

 

a. F      halogen

 

b. Xe      noble gas

 

c. Mg      alkaline earth metal

 

d. Rb      alkali metal

 

Question 3Identify each of the following elements (type in the chemical symbol for the element, not the name):

 

a. the halogen in the same period as potassium

 

 b. the Group 10 element in the same period as Ba

 

 c. the alkali metal in the same period as the element with 14 protons

 

 d. the noble gas in the same period as an isotope with 80 protons and 120 neutrons

 

 e. the alkaline earth metal in the fifth period

 

 Question 4Find the element that corresponds to the following electron configurations (type in the chemical symbol for the element, not the name):

 

a. 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d3      

 

b. 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p3      

 

c. 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2      

 

d. (Kr) 5s2 4d1     

 

e. (Ar) 4s2 3d10 4p1      

 

Question 5State how many valence electrons each of the following elements has:

 

a. Cl      

 

b. Al      

 

c. P      

 

d. K      

 

e. O      

 

f. Si      

 

g. Mg      

 

h. Ar      

 

Question 6Predict the ionic charge for each of the following ions based on the group number of the element in the periodic table:

 

a. P ion      3-

 

b. Rb ion      1+

 

c. F ion      1-

 

d. Ba ion      2+

 

e. Al ion      3+

 

Question 7Give the noble gas that each of the following ions are isoelectronic with (type in the chemical symbol for the element, not the name):

 

a. Br –      

 

b. N3-      

 

c. Ca2+      

 

d. Li+      

 

e. Ba2+      

 

Question 8a. From the following list of elements, which one has the smallest atomic radius?

 

Fe, K, Br, Ca, Ge      Br

 

 b.From the following list of elements, which one has the largest atomic radius?

 

Ca, Be, Sr, Ba, Mg      Ba

 

Question 9a. From the following list of elements, which one has the most metallic character?

 

Ag, Sn, Zr, I, Rb      Rb

 

 b.From the following list of elements, which one has the least metallic character?

 

As, Bi, P, N, Sb      N

 

Question 10

 

a. From the following list of elements, which one has the highest ionization energy?

 

O, Ne, C, Li, F      Ne

 

 b.From the following list of elements, which one has the lowest ionization energy?

 

K, Rb, Li, Cs, Na      Cs

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