Explore the world of alkaline earth metals, including beryllium, magnesium, calcium, strontium, barium, and radium. These Group 2 elements are known for their shiny appearance, +2 oxidation state, and varying reactivity. Their applications range from construction and aerospace to medical diagnostics. Trends in atomic size, melting points, solubility, and reactivity are key to understanding their behavior in chemical reactions.
Show More
Beryllium is a Group 2 element with a small atomic size and high ionization energy, resulting in covalent bonding
Physical and Chemical Properties
Magnesium has a high melting point and is used in lightweight alloys for aerospace and automotive industries
Reactivity
Magnesium readily loses two electrons to form divalent cations, making it more reactive than beryllium
Calcium is an essential element for biological functions and has various industrial and medical applications
Group 2 elements readily lose two electrons to form divalent cations with a +2 charge, which is central to their chemical behavior
Beryllium forms covalent bonds while the other Group 2 elements form ionic compounds due to their atomic size and ionization energy
The solubility of Group 2 hydroxides increases while that of sulphates decreases as one moves down the group due to changes in lattice energy and hydration energy
Group 2 elements can be identified through flame tests, with each element emitting a characteristic color
Group 2 elements have a wide range of applications, including construction, aerospace materials, medical diagnostics, and cancer treatments