While drawing an electron dot structure, which of the following elements can only have a single bond?

P

O

C

F

Mixtures are classified as homogeneous and heterogeneous according to ___. the distribution of their components whether their components are elements or compounds the masses of their components the states of matter of ther components

Is a meter about an inch, a foot, a yard, or a mile?

The first electron configuration quantum number describes a. the energy level. b. the type of orbital (s, p, d, or f. c. the spin of each electron. d. the number of electrons in the orbital.

Determine the percent yield for the reaction between 82.4 g of rb and 11.6 g of o2

How many inner shell electrons does an iodine atom contain?

What is true when a reaction has reached equilibrium? A. the reaction has stopped. B. the concentration of the products is changing. C. the concentration the products and reactants is constant. D. the concentration of the reactants is changing.

A thesis is closest in meaning to a (n) A. Implication B. Contention C. Statistic

Under a high-powered microscope, Dan sees a cellular organelle. The organelle has a double membrane, and the inner membrane is folded. The organelle contains its own DNA. Which organelle does Dan see?

Find the total number of atoms in a sample of cocaine hydrochloride, c17h22clno4, of mass 22.5 mg.

When would maintaining high proteinase inhibitor concentrations in plant tissues be problematic?