how do you use the terms Electron Shielding Effect and Effective Nuclear Charge, to make a statement about atomic radius trends within a group AND period in the periodic table?

Which element is the least metallic between cadmium, silver, zinc, or iron?

How do you lengthen a pattern piece? (family and consumer science, sewing)

Imagine that twenty i. u.’s of enzyme z were catalyzing the above reaction for one minute, under vmaxconditions, in a 3.00 ml assay volume. the assay is buffered with 20 mm phosphate buffer, ph 7.60. what will the ph be at the end of that one minute?