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
100% good luck

Nicky's right. I submitted it and got 100%.

Nicky is right. I got a perfect score.

Thank you Nicky!!! Got a 100% on the test!!

Nicky is 100% correct

God bless your soul Nicky!!!!! 100%

Nicky is right i go 100%!!

Nicky is 100% Right

100% Nick

10/10 nicky is correct still