Want this question answered?
all elements in a period all have the same amount of shells example: all elements in period 1 has only 1 shell all elements in period 2 has 2 shells so the period number is the same as the number of shells in that period
A period is a horizontal row on the periodic table of the elements. There are seven periods on the periodic table. Each period corresponds to the highest energy level that contains electrons. For example, the elements in the first period have electrons in the first energy level, which is the only energy level available; the elements in the second period have their highest energy electrons in the second energy level; the elements in the third period have their highest energy electrons in the third energy level, and so on.
Zirconium(Zr) has an atomic number of 40. It is in Group 4 and Period 5.
By number of elctrons,protons in them and their reaction rate
The elements of the periodic table are arranged in groups and periods. All of the elements in a period have the same number of atomic orbitals where as in a group all the elements have the same number of valence electrons.
Elements in the same period has same number of valence shells.There are 7 periods in Periodic Table.
Manganese is in the fourth period of the Periodic Table of Elements. Periods are rows, groups are columns within the Periodic Table of Elements.
Period 4 and period 5 of the periodic table have the same number of elements. There are 18 elements in each period. While some elements in period 4 are calcium, iron, and zinc, elements in period 5 are tin, antimony, and iodine.
Period 2.
the rows of elements on the preiodic table are called the period. the period tells you the number of electron shells
The same number of shells
The number of shells define the period. The elements of the same group has same number of shells.
a family is a column of elements a period is a row of elements
Period 3. In the periodic table of elements you can decipher which period does an element belong by looking by the number of ROWS and which number is your element included in.
18, from rubidium through xenon.
Well there is the number of valence eelectrons that increase as you go down a period so when youre doing electron configurations you can see that the different subshells have different letters which correspond to the different blocks of the periodic table and this is useful in writing electron configurations because the number of elements across from the first one in a period also matches the number next to the letter or block of a periodic table so you see there is a very close relationship almost like the periodic table was based off of electron configuration or the other way around okay i hope that helps.
The period law states that the elements are the periodic function of their atomic number. Hence they are arranged in order of increasing atomic number.