Electrons in the first energy level of an atom

(A) have no energy

(B) have the lowest possible energy

(C) have the highest possible energy

(D) are in an excited state

(E) are in an unstable state

What was the main reason the Federalists wanted to replace the Articles of Confederation? (1) The president did not have the power to veto legislation. (2) The legislative branch enacted an unfair tax program.

What does A pH of 10 denote?

To measure a specific volume of a gas, you must have a (n) a. scale. b. open container. c. closed container. d. open or closed container depending on the type

What evidence is there that marker ink is a mixture?

A 0.45-g sample of aspirin is decomposed into its constituent elements and found to contain 0.27 g C, 0.020 g H, and 0.16 g O. Calculate the mass percent compositions of C, H, and O in aspirin.

Convert: 65 kg to mg 65,000 mg O 65,000,000 mg O 65 mg

F. How many representative particles are in 6.78 moles of sucrose C12H22011?

The ratio of the lengths of two sides of a right triangle forms a

What element is used in making thermometers

How many dots are shown in the electron dot diagram for calcium, in group II and period 4 with 20 protons and 20 electrons? a. four c. eight b. two d. twenty