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The halogens are located on the left of the noble gases on the Periodic Table. These five toxic, non-metallic elements make up Group 17 of the periodic table and consist of: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At).
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Why do halogens have the smallest atomic radii in their respective periods?
Halogens have maximum effective nuclear charge. So the high number of protons in the nucleus attract electrons and thus the size of the atomic radii is the smallest.
What is the valency for iodine?
Iodine's atomic number is 53. That puts it in the halogen group. All halogens have 7 valence electrons.
What is fluorine mass number?
Fluorine is a non metal element. Atomic mass of it is 19.
This element has an atomic number that is double the atomic number of silicon?
this elemnt has an atomic number that is double the atomic number of silicon?
Which element has an atomic number between 27 and 31?
Atomic number 27 : Cobalt Atomic number 28 : Nickel Atomic number 29 : Copper Atomic number 30 : Zinc Atomic number 31 : Gallium
What is the reactivity for the halogens?
The reactivity of halogens decreases with increasing atomic number.
What trends the periodic table should be expected as the atomic number decreases in the halogens?
Halogens with lower atomic number are more reactive and less dense. Also iodine is solid, bromine liquid and the first halogens are gases.
What is the difference between the atomic number and the valence number of an atom?
Describe the reactivity of halogens
What is the relation between the halogens and their atomic numbers?
The atomic number of a halogen or any other element is the number of protons in the nuclei of their atoms.
What is the difference between the atomic number of an element and number of valence electrons?
Describe the reactivity of halogens
What is the difference between the atomic number of an element and the number of valence electrons?
Describe the reactivity of halogens
Why do halogens have the smallest atomic radii in their respective periods?
Halogens have maximum effective nuclear charge. So the high number of protons in the nucleus attract electrons and thus the size of the atomic radii is the smallest.
If an element of atomic number 118 is ever synthesized what properties might you expect it to have?
noble halogens
What are the halogens from the lowest to highest atomic number?
Fluorine, chlorine, bromine, iodine, astatine (ununseptium?)
What period is bromine in on the periodic table?
Bromine is on the 17th column of the periodic table.It has atomic number of 35.
What is the gas with a mass number of nineteen?
The atomic mass 19 is for fluorine, the ist member of halogens it exists as F2,a diatomic gas.
Is bromine conductive?
Bromine is an element that belongs to the group of halogens with an atomic number of 35. When bonded with another element, it can conduct electricity.
