The Periodic Table
1) What conclusions can be drawn about the relationship between the arrangement of elements on the periodic table and the patterns observed in their properties?
:Properties of elements are related to atomic numbers.***
:Properties of elements are related to ductility.
:Properties of elements are related to malleability.
:Properties of elements are related to luster.
2) Which physical properties are characteristic of metals? Choose all that apply.
:Brittle.
:High luster.***
:Malleable.***
:Ductile.***
:Not very reactive.
3) By looking at the periodic table, Juan finds the following information for rubidium.
How many protons does a rubidium atom have? Use the table above to answer the question.
:37.***
:48.
:85.
:122.
4. How can you describe the location of vanadium (V, atomic number 23) on the periodic table? Choose all that apply.
:Period 5, group 4.
:Period 4, group 5.***
:Lanthanide series.
:Nonmetals.
:Transition metals.***
5) What is true about the element calcium (Ca, atomic number 20)? Choose all that apply.
:It has 2 valence electrons.***
:It has 4 valence electrons.
:It is a nonmetal.
:It is reactive.***
:It is a metal.***
A
B c d
A
B E
A D E
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