Please Help :) The dicentranate ion has the formula “DiO42–”. What is the formula of the acid formed with this ion?
a. HDiO4
b. H4DiO2
c. H3DiO4
d. H2DiO4

An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons

Determine the reaction and balance the following equations urgent due in the morning

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