which of the following has a larger radius, an aluminum (Al) atom or an aluminum ion (Al3+)? Please answer in a CER (Claim, Evidence, Reasoning) format.

Can someone me with these questions plz.

Calculate: select the worksheet tab. this tab you calculate the analyte concentration.  fill in the first set of boxes ("moles h2so4" and "moles naoh") based on the coefficients in the balanced equation. (if there is no coefficient, the value is 1.)  record the appropriate volumes in the "ml naoh" and "ml h2so4" boxes.  record the concentration of the titrant in the m naoh box. click calculate. what is the concentration listed

What are several ways to reduce the effect of friction