What Period Is Chlorine In? The third period contains eight elements: sodium, magnesium, aluminium, silicon, phosphorus, sulfur, chlorine, and argon.
Is chlorine in the third period? The third period contains eight elements: sodium, magnesium, aluminium, silicon, phosphorus, sulfur, chlorine, and argon.
Which element is in period 3 and Group 2?
Hence the name of the element is magnesium.
What element is in period 3?
The third period contains eight elements: sodium, magnesium, aluminium, silicon, phosphorus, sulfur, chlorine, and argon.
Is 7th period complete?
The elements with atomic numbers 113, 115, 117 and 118 will get permanent names soon, according to the International Union of Pure and Applied Chemistry. With the discoveries now confirmed, “The 7th period of the periodic table of elements is complete,” according to the IUPAC.
Why 7th period is not longest period?
6th and 7th periods are longest elements due to the presence of inner transition elements. Thus, 6th and 7th periods are called the longest period in the periodic table as it contains 32 elements in it because of inner transition elements.
What element is in Group 3 period 6?
Detailed Solution. The correct answer is Lanthanoid. The lanthanide series includes elements 58 to 71, which fill their 4f sublevel progressively. Lanthanides have a different chemistry from transition metals because their 4f orbitals are shielded from the atom’s environment.
What element is in group 12 period 7?
zinc group element, any of the four chemical elements that constitute Group 12 (IIb) of the periodic table—namely, zinc (Zn), cadmium (Cd), mercury (Hg), and copernicium (Cn).
Which element is in period 3 Group 17?
Chlorine is a halogen in group 17 and period 3. It is very reactive and is widely used for many purposes, such as as a disinfectant. Due to its high reactivity, it is commonly found in nature bonded to many different elements.
What element is in group 1 period 7?
Francium is a highly radioactive metal that decays into astatine, radium, and radon. As an alkali metal, it has one valence electron. Francium was discovered by Marguerite Perey in France (from which the element takes its name) in 1939.
Which element is in period 4 Group 2?
The given element is calcium. The atomic number of calcium is 20. It is situated in the second group which is alkaline earth metals and in the fourth period.
Which element is in period 2?
Period 2 has eight elements: lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine and neon. Their atomic numbers go from 3 to 10.
What element is in Group 2 Period 5?
Strontium. Strontium is the second element placed in the 5th period. It is an alkaline earth metal, a relatively reactive group, although not nearly as reactive as the alkali metals.
What is the last element to be discovered?
Finally, oganesson (Og) was proposed by the Dubna and LLNL teams after Yuri Oganessian, a Russian physicist who helped discover element 114 in 1999. It and element 116, now known as flerovium and livermorium, were the last to join the periodic table, back in 2011.
Which period is the shortest period?
The first period is the shortest period in the periodic table as it have only two elements i.e. H and He. The period in which the maximum number of elements are present in 6th period.
What is modern periodic table?
The modern or long form of the periodic table is based on the modern periodic law. The table is the arrangement of elements in increasing order of their atomic numbers. The modern periodic table is the present form of the periodic table. And it consists of 18 vertical columns and 7 horizontal rows.
Which is longest period of periodic table?
The sixth period is the longest period in the periodic table with 32 elements. There are 7 periods in the modern periodic table.
What was wrong with the first periodic table?
In devising his table, Mendeleev did not conform completely to the order of atomic mass. He swapped some elements around. (We now know that the elements in the periodic table are not all in atomic mass order.)
What group is chlorine in?
Chlorine is in group 17 of periodic table, also called the halogens, and is not found as the element in nature – only as a compound. The most common of these being salt, or sodium chloride, and the potassium compounds sylvite (or potassium chloride) and carnallite (potassium magnesium chloride hexahydrate).