One classification is as follows:
I'm going to assume you meant the Geologic Time Scale, not the Periodic Table of the Elements. In that case, the answer is the Hadean Era (which is the first in the Precambrian Eon) Although Archean Era might also be acceptable.
Another name for Group 17 (VIIA) Elements is Halogens.
The bold, stair-step black line on the periodic table represents the division between metals and nonmetals. Elements to the left of the line are metals, while elements to the right are nonmetals. Elements along the line are metalloids, which have properties of both metals and nonmetals.
The elements in the compound potassium oxide are potassium and oxygen.
The general name given to the elements of Group IA (1) is alkali metals.
Division into three parts or elements or a system based on three parts or elements.
Elements and compounds
It looks to be the same name.
The name for the division of cytoplasm is cytokinesis.
Smallest Division is "KARACHI",,,,,,
True
The division symbol is called an obelus (÷) or a division sign. It is used to represent the operation of division in mathematical expressions.
Quotient
mitosis
The main responsibility of the OPSEC program is to bring all division level. This is to plan the elements.
Divisions of smaller arteries are arterioles
The fivefold division refers to a categorization or division of something into five parts or categories. It can be used in various contexts such as organizational structures, spiritual teachings, personality traits, or elements in a system.