What is the electron configuration for boron?

Which elements are obtained by plants from the soil

Based on the results of this lab, write a short paragraph that summarizes how to distinguish physical changes from chemical changes.

What is the molar mass of hydrogen peroxide?

What is that the theoretical yield of aluminum oxide I if 3.20 mol of aluminum metal is exposed to 2.70 mole of oxygen

Acetic acid is a weak acid that forms a salt with a strong base, NaOH. What kind of salt will be formed?

Describe the difference between the terms "mass number" and "atomic mass".

Do you think that crocodiles share a common ancestor with birds, dolphins and dogs

If an atom has 28 protons and 29 neutrons, what is the mass?

Aqueous concentrated nitric acid is 69% HNO3 by weight and has a density of 1.42 g/mL. What is the molarity of this solution? What is the molality of the solution?

As the elements in Group 17 are considered in order of increasing atomic number, the chemical reactivity of each successive element (1) decreases (2) increases (3) remains the same