Which statement describes an atomic nucleus?

Examine the three listed elements of Group 13. boron (B), aluminum (Al), gallium (Ga) If boron has two energy levels, then how many energy levels do the other two elements have? Aluminum and gallium both have two energy levels.

which the following types of rocks can be found as a part of mountains? A_metamorohic. B_sedimentary. C-Igneous D - all of above

A 1.0-L buffer solution is 0.10 M in HF and 0.050 M in NaF. Which action destroys the buffer? (a) adding 0.050 mol of HCl (b) adding 0.050 mol of NaOH (c) adding 0.050 mol of NaF (d) none of the above

One reason you should avoid taking risks as a driver is: A. All risks have the potential to cause death B. There's no way of knowing what is dangerous C. The payoff of most risks is insignificant

Predict which atom has the higher ionization energy. A) Cl B) I will give brainliest

What is the first step in the scientific method? A. form a hypothesis B. illustrate the process C. observe and ask questions D. draw conclusions

Nitrogen oxide racts with bromine to form nitrosyl bromide. A sample of 0.0655 mol NO with 0.0328 mol Br2 gives an equilibrium mixture containing 0.0389 mol NOBr.

Determine the elements present in sodium hydrogen carbonate

If the hydrogen ion concentration of a solution is 10-10m the solution is

I need the equation C14H3O+o2 balanced