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Among the alkali metals how does the tendency to react with other substances change within a group?
The chemical reactivity increase down in the group.
What do all metals have in common when they react?
they have the elements and they are in the same substances
Which are the 3 classes of substances that can react with an acid?
Metals, salts, hydroxides
When metals react with water for class 8?
Very reactive metals - from group 1 and 2 of the periodic table - can react with water.
What do metals react with that is found in the air?
group one and two metals react with oxygen in the air as well as moisture to from metal oxides
What tendency do alkali metals react with other substances?
Among the alkali metals, the tendency to react with other substances increases form top to bottom within the group.Accompanying link shows the reaction from lithium through to cesium
What group of elements react by losing one electron?
The alkali metals in group 1 react by losing one electron.
Do all metals react the same way?
No, different metals react differently based on their unique properties. Some metals react readily with certain substances, while others are more resistant to reactions. Factors such as reactivity, stability, and valence electrons all contribute to how metals react.
Can we use oxidising agent on metal surfaces?
Many metals react with oxidizing substances.
Why are group 1 metals knowns as alkali metals?
Group 1 elements are known as alkali metals because they react with water to form alkali (or bases).
What do we call the elements that react?
Most elements will react with at least one other substance. Certain groups of elements have certain substances that they react or don't react with. For Example, Group 1 - Alkali Metals all react vigourously with water. The Inert Gases (exc. Radon) are all highly unreactive and react with a very small amount of substances, if any.
Why is group 1 metals called alkali metals?
Group 1 metals are called alkali metals because they form alkaline solutions (pH greater than 7) when they react with water. They are highly reactive and easily lose their outermost electron to form positive ions, which makes them behave in a similar manner to the alkaline earth metals.
