If an element has 2 fewer protons than boron, what is its electron configuration?

What are some pollutants that cause acid rain?

Which of the following contains the smallest amount of matter

The density for potassium is 0.856 g/cm3. What would be the mass of a 30 cm3 piece of potassium? A. 51.36g B. 25.68g C. 25.5g D. 35.05g

Suppose that a 17.70 gram ball of metal initially at 84.1°C is added to 18.28 grams of an unknown liquid initially at 20.1°C. Assume that the specific heat of the metal is 1.33 J / (g·°C) and the specific heat of the liquid is 3.15 J / (g·°C).

What kind of signals does nerve tissue use to convey information?

What mass is 2.4E25 molecules of NaHCO3?

Why does pumping more air into a basketball increase the pressure inside the ball?

For each of these equations, determine the change in the number of moles of gas, δngas.? A.) (NH4) 2 CO3 (s) = 2NH3 (g) + CO2 (g) + H2O (g) B.) H2 (g) + Cl2 (g) = 2HCl (g) C.) 2H2 (g) + O2 (g) = 2H2O (l) D.) 2Na (s) + Cl2 (g) = 2NaCl (s)

How does the moon move?

Which noble gas has the same electron configuration as the oxygen in a water molecule?