Que Materiales de Laboratorio se utilizan exclusivamente para hacer pequeños ensayos químicos y que precauciones se deberían tener con dichos materiales. Justifique.

There are main groups in the modern periodic table of elements

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

Describe the forces both attractive and repulsive that occur as two atoms move closer together.