What is the ion found in a basic solution? A. OH +
B. H+
C. OH-
D. H-
answer ASAP plz

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided

Arectangle has a diagonal 20 inches long that forms angles of 60 and 30 with the sides. find the perimeter of the rectangle. for geometry