There isn't a group O, whoever asked this should die in a fire for not knowing basic chemistry.
Copper, gold, and silver are the choices that represent a group of elements with common characteristics. All of these elements are metals.
In space, the most common elements are?
The common name for Group 1 elements is alkali metals. These elements include lithium, sodium, potassium, rubidium, cesium, and francium, and they are highly reactive with water.
There are three common elements: C, H, and O.
There are three common elements: C, H, and O.
The elements that make up Group 18 on the Periodic Table are caleed noble (or inert) gases.
Same elements of group have same valency. They possess same chemical behaviour.
O positive is the most common blood group in India.
HCl is a compound, C, O, Hg are elements
The most common blood group most probably is O+ or even B+
You were adopted
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