What are the spectator ions in 2h+ + so42- + ca2+ + 2r → caso4 + 2h+ + 21?

Need ! asap will mark 10 pts using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers

If two identical atoms are bonded,what kind of molecule is formed

Complete the paragraph to describe the characteristics of a borane molecule (bh3). the lewis structure and table of electronegativities are given. the bond polarities in bh3 are , the molecular shape is , and the molecule is .