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If an element is the last element in its period what does this mean?
On the Periodic Table, a Period is one of the horizontal rows. If an element is last in it's period, then it's on the right hand side of the Periodic Table. There is an inert gas at the end of every Period.
What period of the periodic table is lithium in?
Lithium is in the first period of the periodic table. It is the first element in the alkali metal group.
How many shells do the 4th period elements have?
Every element in the first period has only one orbit. This means that they can have only a duplet in their valence shell, which happens to be their only electronic shell. The elements included in the first period are Hydrogen and Helium.
What is common to every element in a period?
The energy sublevel (s, p, d ,f) is always the same.
Is symbol for an element always the first letter of its name?
Every element has a one or two (or three, if the element doesn't have an official name yet) letter symbol.
The first element in a period is always an active?
That is not true. The first element in a period may be active or inactive, depending on the specific electron configuration of the element. For example, the first element in period 1, hydrogen, is not considered an active element.
What element is the first element in the fourth period?
The first element in the fourth period of the periodic table is potassium (K).
First element locate in period 3?
The first element in period three of the periodic table of chemical elements is sodium (Na).
What is the fourth element in the the fourth period?
The first element in the fourth period of the Periodic Table is potassium (K).
What is the first element in a period called?
Hydrogen
What is the first element in the first period in the periodic table?
hydrogen
What period is the name He element in?
Helium is in the first period of the periodic table.
The first element in the fourth period?
Potassium
What is the first element in the fourth period?
The first element in the fourth period of the periodic table is potassium with the atomic number 19.
If an element is the last element in its period what does this mean?
On the Periodic Table, a Period is one of the horizontal rows. If an element is last in it's period, then it's on the right hand side of the Periodic Table. There is an inert gas at the end of every Period.
What is the same for every element in the same period?
The number of electrons in its valence shell
The atomic number of sodium the first element in Period 3 is 11 The atomic number of the second element in this period is?
The second element in Period 3 is Magnesium, with an atomic number of 12.
