All the elements in third row have 3 shells. The electron enters in the third shell for all the groups.
All of these elements belong to same period. The period number is 3.
The period number of an element corresponds to the energy level of its outermost electrons. Elements in the same period have the same number of electron shells. As you move from left to right across a period, the number of protons and electrons increases, resulting in higher effective nuclear charge, which affects the properties of the elements.
Carbon, Hydrogen, Oxygen - the three basic elements for organic material.
The relationship is that the elements are organized by periods. Each row is a period and it goes from left to right. Each row is a period identified by different colors. Elements on the same row have something in common. All of the elements in a period have the same number of atomic orbitals. For example all the elements on the 1st row have only one orbital for its electrons. All the elements on the 2nd period (row) have two orbitals for its electrons. This repeats to period (row) 7. - Brian Tui
Sulfur, iodine, and magnesium are all chemical elements found on the periodic table. They each have unique physical and chemical properties, but all three are solid at room temperature.
In period three, all elements but the four on the right are metallic.
There are three common elements: C, H, and O.
There are three common elements: C, H, and O.
All of the elements in the left-most period of the periodic table or alkali elements. Such as Li and Na.
there all metals, or nonmetals
All elements comprising the period 7 in the periodic table are radioactive. In total this period has 32 elements.
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All of these elements belong to same period. The period number is 3.
Elements in the 4th period of the periodic table all have four energy levels or shells in their atomic structure. They belong to the same block (s and p) and exhibit similar chemical properties in terms of reactivity and bonding. Elements in this period include potassium, calcium, scandium, titanium, and iron.
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
The three most common elements of life are carbon, hydrogen, and oxygen. These elements are essential components of biological molecules like carbohydrates, lipids, nucleic acids, and proteins that make up living organisms.
The energy sublevel (s, p, d ,f) is always the same.