Choose the elements whose atoms you expect to have greater shielding effects? (i) Be or Mg
(iii) F or Cl
(ii) C or Si
(iv) B or Al
with full explanation

What is the volume of the fluid in the graduated cylinder with accuracy and measured to the correct degree of precision? 41.2 ml 42.0 ml 41.23 ml 41.89 ml

For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4al(s)+3o2(g)→2al2o3(s) a) 1 molal, 1 mol o2 b) 4 molal, 2.6 mol o2 c) 16 molal, 13 mol o2 d) 7.4 molal, 6.5 mol o2

In a ball-and-stick molecular model, what do the sticks represent?