What is the symbol for the element Boron?

Qué relación hay entre los campos eléctricos y magnéticos?

Which statement illustrates the difference between a chemical reaction and nuclear reaction?

2H2O2 (aq) - - > O2 (g) + 2H2O (l). If you use 0.20 M of KI instead of 0.10 M of KI, How would this affect: (a) the slopes of your curves, (b) the rates of the reactions, and (c) the numerical value of k for the reaction?

Calculate the density of propanol c3h8o if you know that there are 1.069*1025 molecules of propanol in 1.35 l.

Write the mole ratio of (Mg+2HF➡MgF+H2)

What are the elements with atomic numbers from 58 to 71 in the periodic table called?

Which of these elements elements has an electron configuration of [Kr]5s2

Which of the elements listed is the most abundant extracellular anion?

What is the chemical formula for the chemical magnesium nitride?

Why are parentheses used to write the formula AI (OH) 3