Why dont we include the mass of an atoms electrons in the atomic mass?

Which of the following best describes a means-tested program? A. Money college students with good grades qualify for B. People pay first and receive benefits later C. Any US citizen is eligible D. Age and income is a major criterion for eligibility

1.000 * 105 kPa = atm 5.914 * 10-6 atm = mmHg = kPa

Whag is the chemical formula of carbon tarta chlorine

The mass number of an element is equal to a. the total number of electrons. b. the sum of the protons and neutrons. c. less than twice the atomic number. d. a constant number for the lighter elements.

156 g sample of steel has a volume of 20.0 mL. what is the density of the steel sample

Which of the following statements is true? a. Ag (s) reacts spontaneously with 1 M H + (aq). b. Ag (s) reacts spontaneously with Ni2+. c. Ag (s) reacts spontaneously with 1 M NO3 - in 1 M H + (aq). d.

A 2.950Ã-10âˆ'2 M solution of glycerol (C3H8O3) in water is at 20.0∘C. The sample was created by dissolving a sample of C3H8O3 in water and then bringing the volume up to 1.000 L.

Which substance can be decomposed by chemical means

4) How many silver atoms are contained in 3.75 moles of silver?

Pressure has the greatest effect on the solubility of