What element is in group 2 period 3 on the periodic table?
The element in Group 2, Period 3 of the periodic table is Magnesium (Mg).
Why?
- Group 2: Also known as the alkaline earth metals, this group contains elements with two valence electrons, making them reactive metals.
- Period 3: This refers to the third row of the periodic table, which includes elements with three electron shells.
Properties of Magnesium:
- Symbol: Mg
- Atomic Number: 12
- Electron Configuration: 1s22s22p63s21s^2 2s^2 2p^6 3s^2
- Uses: Magnesium is lightweight and used in alloys, construction, fireworks, and as a dietary supplement.
- Reactivity: It reacts with oxygen to form magnesium oxide (MgOMgO) and with acids to produce hydrogen gas.
Magnesium plays an essential role in both chemistry and biology, particularly as a component of chlorophyll in plants and in various industrial applications!