The stress force that causes a mass of rock to pull or twist in opposite directions in called

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)

How do i turn 2 s into one in the products

If it is an isoelectronic series select true, if not select false. o2-, s2-, se2-, te2- na+, k+, rb+, cs+ n3-, p3-, as3-, sb3- ag, cd+, sn3+, sb4+ f-, cl-, br-, i- f-, ne, na+, mg2+ s2-, s, s6+