If you made a three-dimensional model of an atom and its nucleus, how would you represent the atom? 7th grade

Which of the following is not a stressor that causes a change in equilibrium? a. change in pressure b. change in temperature c. change in particle size d. change in concentration

What product would be formed if the four-membered alcohol which shown below was heated with an equivalent amount of hbr rather than with a catalytic amount of h2so4?

Which formula represents a hydronium ion? (1) H3O + (3) OH- (2) NH4 + (4) HCO3-

Evaluate this statement: Substances are made of two or more types of elements

What acceleration does the force of earths gravity produce? (a) 9.8 m/s/s (b) It varies depending on how long it has been falling. (c) Gravity does not produce an acceleration. (d) It changes direction every 9.8 meters.

According to the all-or-none principle, what would happen if a cell were depolarized twice the normal amount needed to produce an action potential?

An element with characteristics of a metal and a non-metal

You have a 70% solution of dextrose. how many grams of dextrose are in 400 ml of this solution?

An element is identified by: A. Its number of protons B. the atomic mass C. The type of charge D. its number of isotopes

When the equation ZnS+O ZnO+SO isbalanced the coefficientof O is 1, 5, 3, or2