Periods On the periodic table represent elements

Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat

Which of the following are correct values for the ideal gas laws constant r

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided