A cation ion is an ion with a positive charge because a neutral atom has LOST one or more electrons. A cation that has a +1 charge has lost ONE electron. An atom with a +3 charge has lost _______ electrons.

Which of the following is true for alkaline earth metals as their atomic number increases?

Which element has the greater ionization energy?

Put the following in order of increasing ionization energy:Neon, Lithium, Carbon

Put the following in order of increasing ionization energy:Sodium, Oxygen, Boron

An ion is an atom or molecule with a net electric charge due to the loss or gain of one or more electrons. How are ions formed?

When ONE electron is removed from a neutral atom the atom forms an ion with a + 1 charge. A K ion is written as K+. ALL elements in group 1 form an ion with a +1 charge. How would we write the symbol for a sodium ion?

An electron can be removed from an atom if enough energy is supplied. This is called ionization energy. Using A as a symbol for an atom of any element, the process can be expressed as follows: A + energy → A+ + e- To compare the ease with which atoms of different elements give up electrons, chemists compare ionization energies. (To avoid the influence of nearby atoms, measurements of ionization energies are made on isolated atoms in the gas phase.) What is ionization energy?