Principles of Reflection Quiz

<p>Hard X-rays and gamma rays</p> Signup and view all the answers

<p>Electromagnetic waves</p> Signup and view all the answers

<p>The word 'alkali' is derived from Arabic al qalīy (or alkali), meaning the calcined ashes, referring to the original source of alkaline substances.</p> Signup and view all the answers

<p>An alkali is a basic, ionic salt of an alkali metal or an alkaline earth metal. It can also be defined as a base that dissolves in water.</p> Signup and view all the answers

<p>A solution of a soluble base has a pH greater than 7.0.</p> Signup and view all the answers

<p>The term 'alkaline' is commonly used in English as a synonym for basic, especially for bases soluble in water, likely because alkalis were the first bases known to obey the Arrhenius definition of a base and are still among the most common bases.</p> Signup and view all the answers

<p>Potash is composed mostly of potassium carbonate, and it was derived from a water-extract of burned plant ashes.</p> Signup and view all the answers

<p>The word 'alkali' is derived from Arabic al qalīy (or alkali), meaning the calcined ashes (see calcination), referring to the original source of alkaline substances.</p> Signup and view all the answers

<p>The adjective alkaline, and less often, alkalescent, is commonly used in English as a synonym for basic, especially for bases soluble in water.</p> Signup and view all the answers

<p>A solution of a soluble base has a pH greater than 7.0.</p> Signup and view all the answers

<p>A water-extract of burned plant ashes, called potash, is composed mostly of potassium carbonate.</p> Signup and view all the answers

<p>An alkali is a basic, ionic salt of an alkali metal or an alkaline earth metal. It can also be defined as a base that dissolves in water.</p> Signup and view all the answers

<p>Ionic bonds and covalent bonds</p> Signup and view all the answers

<p>Dipole–dipole interactions, the London dispersion force, and hydrogen bonding</p> Signup and view all the answers

<p>Electrons shared between two nuclei are attracted to both of them, stabilizing the paired nuclei</p> Signup and view all the answers

<p>Constructive quantum mechanical wavefunction interference</p> Signup and view all the answers

<p>Bond distance</p> Signup and view all the answers

<p>Ionic bonds and covalent bonds</p> Signup and view all the answers

<p>Covalent, ionic, and metallic bonds</p> Signup and view all the answers

<p>Dipole–dipole interactions, the London dispersion force, and hydrogen bonding</p> Signup and view all the answers

<p>Constructive quantum mechanical wavefunction interference</p> Signup and view all the answers

<p>Balancing attractive forces and repulsive forces</p> Signup and view all the answers