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The electron configuration of bromine (Br) is [Ar] 4s2 3d10 4p5. This configuration indicates that bromine has 35 electrons, with two electrons in the 4s orbital, ten electrons in the 3d orbital, and five electrons in the 4p orbital. The [Ar] represents the electron configuration of argon, which is the noble gas that comes before bromine in the Periodic Table and contributes 18 electrons to the overall configuration.
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How many of the following elements have 1 unpaired electron in the ground state B Al O Br?
Boron (B), Aluminum (Al), and Bromine (Br) each have 1 unpaired electron in the ground state. Oxygen (O) does not have any unpaired electrons in its ground state configuration.
Which elements have electron configuration that end in ns2 np5?
The elements with electron configurations ending in ns2 np5 are the halogens in group 17 of the periodic table: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At).
Which elements have electron configurations that end in ns2np5?
The elements with electron configurations ending in ns2np5 are the halogens in Group 17 of the periodic table. This includes fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). These elements have seven valence electrons and readily gain an electron to achieve a stable octet configuration.
What are the two elements that make up the ionic compound LiBr?
The ionic compound LiBr is composed of the elements lithium (Li) and bromine (Br). Lithium is a metal that donates one electron, while bromine is a nonmetal that accepts one electron to achieve a stable electron configuration.
What is the outer electron configuration for all group 1 elements?
The outer electron configuration for all group 1 elements is ns1, where n represents the energy level of the outermost electron. This means that group 1 elements have one electron in their outermost shell.
How many of the following elements have 1 unpaired electron in the ground state B Al O Br?
Boron (B), Aluminum (Al), and Bromine (Br) each have 1 unpaired electron in the ground state. Oxygen (O) does not have any unpaired electrons in its ground state configuration.
Which elements have electron configuration that end in ns2 np5?
The elements with electron configurations ending in ns2 np5 are the halogens in group 17 of the periodic table: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At).
What is the electron configuration for the Bromide anion Br-?
The bromide ion, which has a charge of 1-, has one more electron than a neutral bromine atom. Its electron configuration is isoelectric with the noble gas krypton, so it has 36 electrons. Its electron configuration is [Ar]3d10 4s2 4p6. I apologize that the superscripts are not working. I put a space between the different sublevels to make it easier to understand.
What pairs of elements have the same valence electron configuration?
Elements that belong to the same group in the periodic table typically have the same valence electron configuration. For example, both sodium (Na) and potassium (K) have a valence configuration of (ns^1), while elements like chlorine (Cl) and bromine (Br) share a (ns^2np^5) configuration. This similarity in valence electron arrangements leads to comparable chemical properties within each group.
Which of the following has a noble gas electronic configuration O Br Cl?
Among the elements listed, chlorine (Cl) has a noble gas electronic configuration. Chlorine has an atomic number of 17, and its electron configuration is [Ne] 3s² 3p⁵, which is one electron short of the noble gas argon (Ar), giving it a stable configuration when it gains one electron. Oxygen (O) and bromine (Br) do not have noble gas configurations; oxygen is [He] 2s² 2p⁴, and bromine is [Ar] 4s² 3d¹⁰ 4p⁵.
Which elements have electron configurations that end in ns2np5?
The elements with electron configurations ending in ns2np5 are the halogens in Group 17 of the periodic table. This includes fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). These elements have seven valence electrons and readily gain an electron to achieve a stable octet configuration.
What is the ionic notation for bromine?
The ionic notation for Bromine is Br-. It gains one electron to form Br-
What is the number of electrons that Br lost in forming?
Bromine gain an electron in chemical reactions.
What is the electron configuration for sodium chloride?
Electron configuration is a term applied to chemical elements not to compounds.
What are the two elements that make up the ionic compound LiBr?
The ionic compound LiBr is composed of the elements lithium (Li) and bromine (Br). Lithium is a metal that donates one electron, while bromine is a nonmetal that accepts one electron to achieve a stable electron configuration.
How many electrons does BR need to achieve noble gas?
To achieve noble gas configuration, Bromine must gain one electron. In doing so, it obtains the electron configuration of Krypton. It's new complete electron configuration would be: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6.
What group of elements have stable electron confoguration?
The group of elements that have a stable electron configuration are the noble gases.
