Hadean, Archean, and Proterozoic
Salt formers / group 17 elements. The elements of Group VII (or group 17) of the Periodic Table are called halogens, which means "salt formers"
The period that followed extensive glaciation in the Precambrian is called the Proterozoic Eon. This period was characterized by the development of complex life forms and the formation of supercontinents.
The term "Precambrian" refers to the time period before the Cambrian period, dating back over 4 billion years. The Canadian Shield is composed of some of the oldest rocks on Earth, dating back to the Precambrian era. Its name reflects the ancient age of the rocks and landforms that make up the shield.
One example of a single-celled life form that existed in Precambrian Earth is archaea. These microorganisms are known for their ability to thrive in extreme environments such as hot springs and deep sea vents. Archaea are distinct from bacteria and eukaryotes.
Lanthanides are another name for the rare earth elements, a group of 15 elements with atomic numbers 57-71 in the periodic table. They are commonly used in various technologies and applications due to their unique properties.
Another name for Group 17 (VIIA) Elements is Halogens.
group 18
group 16 (apex)
Another name for a group on the Periodic Table is a column.
"PIGBAG "is one "BLODWYN PIG" is another.
A group of chickens is referred to as a "flock".
Group 18.
Convoy
A tribe or Clan.
qwreefer
4A
4A