A compound composed of two oppositely charged atoms is a (n)

a. covalent bond

c. postive bond

b. physical bond

d. ionic bond

State the oxide formed from non-metals

Transition elements A. Group 1 elements B. elements that make up the f block C. elements of the s and p blocks D. Group 17 elements E. entire set of d-block elements

What are weak bonds that allow flexibility in enzymes

When the products of a reaction are hotter than the reactants: The reaction is exothermic. The reaction is endothermic. The reactants lost internal energy. The change in enthalpy is positive.

A solution of rubbing alcohol is 75.7 % (v/v) isopropanol in water. How many milliliters of isopropanol are in a 87.7 mL sample of the rubbing alcohol solution?

Calculate how many grams of o2 (g) can be produced from heating 87.4 grams of kclo3 (s).

Which of the following statements about the nucleus is false? A. Able to be lost or gained in chemical reactions. B. Contains nearly all of the mass of the atom. C. Made up of protons an neutrons. D. None of these

All Organisms the energy to function. Which cell organelle provides this energy? A. Nucleus B. Ribosomes C. Chloroplast D. Vesicle

Where can membrane proteins be located? a. entirely within the membrane b. on the surface of the membrane c. in either position d. The position of membrane proteins has never been determined

1. (a) What are the possible interactions between two charged objects?