Based on their location in the periodic table which two elements are most likely to from covalent bonds with each other. Magnesium (Mg) and sulfur (S)
Potassium (K) and Iodine (I)
Sodium (Na) and Bromine (Br)
Nitrogen (N) and Oxygen (O)

6) (a) calculate the absorbance of the solution if its concentration is 0.0278 m and its molar extinction coefficient is 35.9 l/(mol cm). the depth of the cell is 5 mm. (b) what is the %t? (7) calculate the absorbance of the solution if the transmitted light intensity is 70% of the initial light beam intensity