Which of the following has a negative charge? A. electron B. neutrino C. gamma rays D. alpha particles

A breathing mixture used by deep-sea divers contains helium, oxygen, and carbon dioxide. What is the partial pressure of oxygen at 101.4kPa if P (He) = 68.7kPa and P (CO2) = 1.4kPa?

Elements in group 15 through 17, do they do they lend AND borrow electrons?

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A small diamond, which is made of pure carbon, contains too many carbon atoms to count individually. Which is closest to the number of carbon atoms in a 1.0-g diamond? Disabled A. 3.6 x 10-45 carbon atoms Student Selected Incorrect B. 9.

What is the principle feature of a metallic bond?

Predict the reactants of this chemical reaction. That is, fill in the left side of the chemical equation. Note: you are writing the molecular, and not the net ionic equation. → CaCl2 (aq) + H20 (l)

How does the momentum of a dog and a horse, which are both running at the same velocity, compare?

Subject 22. Where do you find the electrons in an atom? a. In the nucleus b. Travelling around the nucleus C. In the protons d. Travelling in the protons

What is the main difference between rocks and minerals

A part of the periodic table is shown below: A portion of the sixteenth and seventeenth columns of the periodic table is shown. Column 16 reads eight oxygen, 16 sulfur, and 34 selenium. Column 17 reads nine fluorine, 17 chlorine, and 35 bromine.