What number is neon on the periodic table?

Suppose you are trying to find the volume of a box based on the following measurements for the length, width, and height of the box, where the height was measured in two parts. length, l = 2.2 in width, w = 3.5 in height, h = 10.

An element's atomic number is the A. weight of the atom. B. sum of the protons and neutrons in an atom. C. number of protons in an atom's nucleus. D. mass of the atom

How did the germ theory of disease become an accepted idea? The work of three scientists brought about scientific consensus. The work of two scientists brought about scientific consensus.

2. Perception: a. is faulty. b. is not always accurate. c. does not always reflect reality. d. All of these choices.

Which particle has a mass that is approximately the same as the mass of a proton? (1) an alpha particle (3) a neutron (2) a beta particle (4) a positron

What is an example of making a qualified observation

With respect to composition, how is the compound made from hydrogen and oxygen different from mixtures of these two elements?

How should scientist respond when new evidence that challenges current is presented?

Consider the following reaction, equilibrium concentrations, and equilibrium constant at a particular temperature. Determine the equilibrium pressure of H2. D2 (g) + H2 (g) ⇌ 2 HD (g) Kp = 1.80 P (D2) eq = 1.1 * 10-3 atm P (HD) eq = 2.7 * 10-3 atm

Find δe for the change in state of 1.0 molh2o (l) at 79 ∘c to h2o (g) at 116 ∘c. the heat capacity of h2o (l) = 75.3 j/molk, heat capacity of h2o (g) = 25.0 j/molk, and the heat of vaporization of h2o is 40.7*103j/mol at 100 ∘c.