Please help me I'm working on an element project and am having a tough time finding the following information on the elements Beryllium, Magnesium, Calcium, Strontium, Barium, Radium.
Atomic Mass, Electronegativity Value

Question

anonymous · Answer

you may find all those elements in group 2

anonymous · Answer

they have very less electronegative values becoz the effective nuclear charge on valence electrons is just 2

anonymous · Answer

atomic mass increases through Beryllium -> Radium

anonymous · Answer

Thank you but what I need to know is the numbers for instance
The atomic mass of Beryllium= #

anonymous · Answer

you can find them in periodic table

anonymous · Answer

I tried i used 4 different periodic tables but i couldnt find it

anonymous · Answer

lol it wil be there in every periodic table wait let me pull up..

anonymous · Answer

http://www.ptable.com/

anonymous · Answer

hover the mouse on element, it shows the properties in yellow

anonymous · Answer

Thank You :)

anonymous · Answer

yw

anonymous · Answer

let me knw if u have difficulty finding anything..  :)