Adding<span> an </span>acid<span> raises the concentration of H</span>3O+<span>ions in the </span>solution<span>. </span>Adding<span> a base lessens the concentration of H</span>3O+<span> ions in the </span>solution<span>. An </span>acid <span>and a base are like chemical dissimilars. </span><span>
So in other words, this will increase the hydrogen ion concentration and lower the pH.</span>
D. Two or more of the same type or different types of atoms.
Answer:
has 17 electrons
Explanation:
Chlorine is a halogen that belongs to the 17th group on the periodic table. Chlorine has an atomic number of 17. The atomic number of elements is used in placing and locating elements on the periodic table. In fact, the periodic arrangements of elements is as a result of their atomic numbers.
The atomic number is the number of protons in an atom. This number is the same as the number of electrons in a neutral atom that has not gained or lost any electron.
It is correct to say chlorine has 17 electrons and they occupy 3 electronic shells.