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What element in period 3 has 8 electrons in its outermost energy level?
The element in period 3 with 8 electrons in its outermost energy level is chlorine (Cl).
What period of the Periodic Table is the element with 28 innermost electrons and 7 outermost electrons?
The group number 17 comprises of elements that has seven electrons in their own outer level.
What is row on the periodic table called what do they have in common?
The row is called the period. Each element in the same period has the outermost electrons in the same shell (energy level). For example, the elements in the 3rd period all have the outermost electrons in the 3rd shell.
Which transition element in the 6 period has its outermost d sublevel half-filled?
Since the d orbital can hold 10 electrons, half filled would mean it has 5 electrons. The element in period 6 that has 5 electrons in the d orbital would be Rhenium (Re).
An element in a similar period chlorine would be?
Magnesium
What is the element in Period 4 that has two electrons in the p sublevel name?
The element in Period 4 that has two electrons in the p sublevel is germanium (Ge). It has the atomic number 32 and is located in group 14 of the periodic table. In its electron configuration, germanium has the outermost electrons in the 4s and 4p sublevels, with the 4p sublevel containing two electrons.
What information do the periods number give you?
The periods in the periodic table tell you the energy level where the last electrons are being added. So, in period 1, the outermost electrons are in the first energy level or shell. In the 3rd period, the outermost electrons reside the the 3rd energy level, and so on.
A chloride ion has the same number of electrons as a neutral atom of?
A chloride ion has the same number of electrons as a neutral atom of an element in Period 3 of the periodic table, as both consist of 17 electrons.
What is the number of the prinicpal energy level in which valence electrons are found?
The valence electrons are the outer most electrons and the principal energy level in which they belong will vary for element to element and generally corresponds to the period number in which the element is present
The number of valence electrons increases with increase in what from the beginning to the end of period 2?
The number of valence electrons increases with increase in atomic number from the beginning to the end of period 2. The maximum number of valence electrons possible in any outermost shell is 8.
How can you use the period number and the group number on the periodic table to describe an element's atomic structure?
The period number represents the energy level where an element's outermost electrons are located, while the group number indicates the number of valence electrons. Elements in the same group have similar chemical properties due to having the same number of valence electrons. This information helps describe an element's atomic structure by revealing the arrangement of its electrons and predicting its reactivity.
What metallic element in period 4 has 20 electrons?
Calcium (Ca) is the metallic element in period 4 with 20 electrons.
