If the density of a certain spherical atomic nucleus is 1.0x10^14 g cm^-3 and its mass is 2.0x10^-23 g, what is it radius in cm?

At constant volume, you cool a sealed, air-filled can, and the pressure reduces by half. which of the following happens?

Why does secondary succession usually occur more rapidly than primary succession.

Look up the diameters for lithium, sodium, potassium, and cesium atoms. what is the relationship between the atomic number of the element, and the diameter of its atoms? answer

Determine the value of Ka for a 0.550 M solution of Acetic Acid if the pH of the solution is 2.25

You investigate the density of a chemical solution and get the results: 3.4 g/mL, 3.6 g/mL, and 3.7 g/mL. If the true density of the solution is 4.4 g/mL, what can be said about your results?

Hard water deposits (calcium carbonate) have built up around your bathroom sink. Which of these substances would be most effective in dissolving the deposits? Select one: a. ammonia b. bleach (sodium hypochlorite) c. lye (sodium hydroxide) d.

How does plasma, the fourth state of matter, differ from gas? A. Plasma has indefinite shape and volume; gas does not. B. Plasma has definite shape and volume; gas does not. C. Plasma conducts electricity; gas does not. D.

Using the relative E0 values determine which of the following reactions are electrically possible. Mg (s) + Br2 (I) ⟶ MgBr2 Choose the answer from the parenthesis.

3 x 1023 molecules of element Z have a mass of 38 g. What is the mass of 1 mole?

Which type of element has an electron configuration of 1s22s22p63s23p64s1? Question 1 options: alkali metal alkaline earth metal noble gas halogen