Which element has the greatest electronegativity? A. iodine (t), located near the bottom of Group 7A
B. potassium (K), located in the middle of Group 1A
C. fluorine (F), located at the top of Group 7A
D. silicon (Si), a metalloid in Group 4A

Is a pencil falling to the floor anon contact force, a force, or a contact force

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

What volume of argon gas is equal to 1.60 grams of argon