non metals
Oxygen is the element that makes up 78% of air and belongs to the 15th group in the periodic table.
This element is magnesium (Mg).
non metals
This element is calcium. It is the fifth most abundant element in the Earth's crust and makes up more than 3 percent of the crust. It reacts with water and belongs to the 2nd group of the periodic table.
Nitrogen makes up 79% of the earth''s atmosphere. Nitrogen is in Group 5A.
Neon is in Period 2 and Group 18. Group 18 makes up the Noble Gas group. Periods are the rows and columns are the groups in the Periodic Table.
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Group 8A in the periodic table is the noble gas group. It includes helium (He), Neon (Ne), Argon (Ar), Krypton (Kr), Xenon (Xe) Radon (Rn) and the unnamed element ununoctium (Uuo).
Carbon is a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds. It belongs to group 14 of the periodic table. Carbon makes up only about 0.025 percent of Earth's crust. So, yes it is.
The element hydrogen is unique in that it does not belong to any specific group on the periodic table. While it typically appears in Group 1 with the alkali metals, it also exhibits nonmetallic properties similar to Group 17 elements. This versatility makes hydrogen stand out as a distinctive element.
Yes, Ni is a representative element. In the periodic table, representative elements are the group 1A (alkali metals), group 2A (alkaline earth metals), and groups 3A to 7A (main group elements). Ni is found in group 10, which makes it a transition metal rather than a representative element.
The public access modifier will make an element available to any class.