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halogens
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How many number of valence electrons in bromine?
Counting the 4th shell orbitals and their electrons, Bromine has two 4s electrons and five 4p electrons, giving it a total of 7 valence electrons.
How many valence electrons does br- have?
The anion is Br+; bromine has 7 valence electrons.
How many electrons are in the outer shell of the elements in the groups?
the number of valence electrons is directly proportional to the group number in which the element is forund in the periodic table. for example, chlorine is in Group 7 so it has 7 valence electrons.
How can you use a periodic table to predict the number of valence electrons an element has without having to draw the Bohr diagram?
In general, except for the transition elements, the group number will tell you the number of valence electrons. For example, Na is in group 1 and has 1 valence electron. Cl is in group 7 and has 7 valence electrons.
What does a period on the periodic table tell us?
Elements in the same period has same number of valence shells.There are 7 periods in Periodic Table.
Which group of elements 7 valence electrons?
The groups of electrons with 7 valence electrons are groups 7 and 17 on the periodic table.
How many number of valence electrons in bromine?
Counting the 4th shell orbitals and their electrons, Bromine has two 4s electrons and five 4p electrons, giving it a total of 7 valence electrons.
what element has 7 valency electrons?
Halogens have 7 valence electrons. They can be found on the second column from your right on the periodic table
How many valence electrons does br- have?
The anion is Br+; bromine has 7 valence electrons.
How many electrons are in the outer shell of the elements in the groups?
the number of valence electrons is directly proportional to the group number in which the element is forund in the periodic table. for example, chlorine is in Group 7 so it has 7 valence electrons.
Why iodine must appear in group 7 in the periodic table?
Iodine, like all group 7 elements, has 7 valence electrons.
Is an element with seven valence electrons?
All of the Halogens (the second column from the right on the periodic table) have 7 valence electrons. This includes -Flourine -Chlorine -Bromine -Iodine
How many valence electrons does iodoine have?
Iodine [note correct spelling!], like all other elements in column 17 of a wide form periodic table, has 7 valence electrons.
What is one property that is specific to each of the groups on the periodic table?
The number of valence electrons is unique to each group. For example, group 1 has 1 valence electron, and group 3 has 3 valence electrons, and group 7 has 7 valence electrons. This is unique for each group as no other group has that same number of valence electrons.
How groups are there in the modern periodic table?
The group number tells you the number of valence electrons in the outer shell. This is important because it is the valence electrons that participate in bonding, and thus in determining the properties of the element.
What are the elements that have the same number of valence electrons?
The elements that have the same number of valence electrons are located in a group.The group number from the Periodic Table relates to the number of electrons in the valence shell.For example, elements in group 1 (H, Na, Li, K, Rb, Cs, Fr) all have 1 valence electrons and elements in group 7 (Cl, F, I, Br) have 7 valence electrons in its outer shell.
How can you use a periodic table to predict the number of valence electrons an element has without having to draw the Bohr diagram?
In general, except for the transition elements, the group number will tell you the number of valence electrons. For example, Na is in group 1 and has 1 valence electron. Cl is in group 7 and has 7 valence electrons.
