Amixture of 2 or more substances in which the molecules of the substances are evenly mixed

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.

What is true for a substance that releases energy