Question

1-which elements have only one electron shell

-hellium

-carbon

2-carbon12 and carbon 13, are two examples carbon ions. theyhave the same number of ... but different numbers of ....

3- in an ionic bond ... is positive

-the anion

-the cation

4- a hydrogen bond is an example of ...

-van der Waals force

-a non-polar bond

5- basic ph is maintained in which of the following

-gastric " juices"

-ammonia solutions

6- argon has one or more than one electron shell and theoutermost shell contains eight electrons, what are the outcome ofsuch electron configuration ?

i-ts stable and inert

-it forms covalent bonds in an equeous solution