Fluorine (F), Chlorine (Cl), Bromine (Br), and Iodine (I) are elements in the same group on the periodic table. Why are these elements grouped together? They all have similar properties.

They all have similar atomic masses.

They all have the same atomic radius.

They all have the same number of protons.

Calculate the number of molecules present in 0.750 mol of mgo.

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)

Consider the directing effects of the substituents on salicylamide and predict the possible structures of the iodination products. which do you think will be the major product?