Period 6 element

The information on this page is ✔ fact-checked. Period 6 elements refer to the chemical elements found in the sixth row or period of the periodic table, starting from the element cesium (Cs) and ending with the element radon (Rn). This group of elements exhibits a wide range of chemical and physical properties, which makes … Read more

Period 5 element

The information on this page is ✔ fact-checked. Period 5 elements are a group of chemical elements found in the fifth row or period of the periodic table. This period consists of 18 elements, starting from rubidium (Rb) with atomic number 37 and ending with xenon (Xe) with atomic number 54. The period 5 elements … Read more

Period 4 element

The information on this page is ✔ fact-checked. Period 4 elements refer to the chemical elements found in the fourth row or period of the periodic table. This period includes elements ranging from potassium (K) to krypton (Kr), with atomic numbers 19 to 36. Period 4 elements are interesting because they show a range of … Read more

Period 3 element

The information on this page is ✔ fact-checked. Period 3 elements are the set of chemical elements found in the third row or period of the periodic table. This row contains eight elements: sodium (Na), magnesium (Mg), aluminum (Al), silicon (Si), phosphorus (P), sulfur (S), chlorine (Cl), and argon (Ar). These elements possess a wide … Read more

Period 2 element

The information on this page is ✔ fact-checked. Period 2 elements are the chemical elements found in the second row or period of the periodic table. This row contains eight elements, starting from lithium (Li) and ending with neon (Ne). These elements have two electron shells, with the first shell containing two electrons and the … Read more

Period 1 element

The information on this page is ✔ fact-checked. Period 1 elements refer to the chemical elements located in the first row or period of the periodic table. This group of elements includes hydrogen (H) and helium (He), the two most abundant elements in the universe. Despite their small size and low atomic numbers, period 1 … Read more

Noble gas

The information on this page is ✔ fact-checked. Noble gases, also known as inert gases, are a group of elements in the periodic table that are known for their low reactivity. The six noble gases are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn). These elements are called noble gases … Read more

Reactive nonmetal

The information on this page is ✔ fact-checked. Reactive nonmetals are a group of chemical elements that are located in the upper right-hand corner of the periodic table. This group includes 11 elements, namely hydrogen (H), carbon (C), nitrogen (N), oxygen (O), fluorine (F), phosphorus (P), sulfur (S), chlorine (Cl), selenium (Se), bromine (Br), and … Read more

Nonmetal

The information on this page is ✔ fact-checked. Nonmetals are a group of elements that have very different properties from metals. They are found in the upper right-hand corner of the periodic table and include 17 elements, with hydrogen, carbon, nitrogen, oxygen, fluorine, and chlorine being some of the most well-known. In addition to these … Read more

Metalloid

The information on this page is ✔ fact-checked. Metalloids are elements that exhibit both metallic and non-metallic properties. There are six recognized metalloids in the periodic table: boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), and tellurium (Te). These elements have properties that are intermediate between those of metals and nonmetals. Metals are … Read more