Sodium is an alkali metal in group IA of the periodic table with atomic number 11, an atomic weight of 22.99, and a density of 0.97 Mg/m 3. Its melting point is 97.8 C, and it boils at 892 C. The ...

You're listening to Chemistry in its element brought to you by Chemistry World, the magazine of the Royal Society of Chemistry. Sodium, like most elements in the periodic table could be said to have a ...

2nd Period: Lithium to neon—Electrons go into the second level. After the second level has 8 electrons, the next electron goes into the third level. 3rd Period: Sodium to argon—Electrons go into the ...

The modern periodic table is based closely on the ideas he ... For example, lithium (Li), sodium (Na) and potassium (K) all have the same kind of reaction with water. The group of elements below ...

The modern periodic table is based closely on the ideas he ... For example, lithium (Li), sodium (Na) and potassium (K) all have the same kind of reaction with water. The group of elements below ...

The periodic table captures a subtle pattern that runs ... is a reactive metal — just like sodium (element number 11) and potassium (number 19). A good way to think about it is to imagine ...

On the periodic table, which contains 118 elements ... elements to form diatomic molecules. That's how we get table salt (sodium + chlorine = NaCl, sodium chloride). You can find a diatomic ...

These are almost one-quarter of the periodic table and are mainly found in the ... chlorine, potassium, sodium, calcium and magnesium. How polio affects the body and what WHO is doing to eliminate ...