How does an atom become a positively charged ion?

Name the following compounds PCI3

The mass of an empty container is 84 g. The mass of the container filled with water is 114g. What is the volume of the container? The density of water is 1 g/cm^ 3?. Answer in units of cm^ 3.

Given that oxygen has an atomic number of eight determine how many protons and neutrons are in the isotope 16O or oxygen - 16 8 protons and 9 neutrons 8 protons and 8 neutrons 8 protons and 7 neutrons 16 protons and 0 neutrons

The percent yield of a chemical reaction is

Which of the following group 7A elements is the most reactive? A. chlorine B. iodine C. fluorine D. bromine

As you move across the period on the periodic table what pattern can be described about the electron configurations?

Where are metalloids used in everyday life?

What aspect of Bohr's original model of election stucture is no longer considered valid in the currently accepted theory of electron structure

Which topic is commonly used to explain activation energy and how chemical reactions happen A. reaction rate B. Collision theory C. Velocity distribution D. Spontaneous reaction

Calculate the density of a rectangular solid that has a mass of 25.71 g, and its dimensions are 2.3 x 4.01 x 1.82 cm.