How do isotopes of an atom differ? how are they the same?

What semimetal can form four single covalent bonds.

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3