Would appreciate it if this was answered asap- it's for my chem exam What will happen to an unstable nucleus of radium-226?
-It will decay spontaneously.
-It will absorb electrons spontaneously.
-It will absorb protons from a parent atom.
-It will decay nonspontaneously.

12 is probably the typical age for a first kiss but i think its to young.

It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).

The se-ci  bonds is more polar  than s-br bond