Pls dont answer this!
i only want @dj to answer this

how many elemnets are in the periodic table

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

How many moles of sulfuric acid (h2so4) are needed to react completely with 6.8 moles of lithium hydroxide (lioh)? 2lioh + h2so4 → li2so4 + 2h2o a. 3.4 mol h2so4b. 6.8 mol h2so4 c. 10.2 mol h2so4 d. 13.6 mol h2so4

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .