BBC4 年
Periodic table of elementsPhysical properties of the group 1 elements
The table shows the melting points of five alkali metals. Use this information to describe how melting point changes in group 1.
BBC3 年
What does the periodic table tell us about the elements?
The table shows the melting points of five alkali metals. Use this information to describe how melting point changes in group 1.
Royal Society of Chemistry5 年
Chemistry in its element: rubidium
Rubidium is one of the alkaline metals, as group one of the periodic table are otherwise known. The alkali metals have a single electron in their outer shell, which makes them highly reactive with ...
CU Boulder News & Events7 年
X818: Periodic Trends – Alkali Metals in Water
When a small piece of sodium is placed in a petri dish with water and phenolphthalein, the sodium becomes a molten ball and darts around the dish, leaving a pink trail. The reactions of potassium, ...
Acsh.org2 天
A Little About Lithium
Most of you are familiar with lithium batteries and the drug for bipolar disorder. But did you know it used to be put in soda for hangovers, and it saved the lives of the Apollo 13 astronauts? You don ...