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Not completely sure what you mean by structure - macro or micro - but here's what I can tell you:
Halogens are in group 17 on the Periodic Table, which means they have 7 valence electrons, regardless of where they are in that group. This means that they only need 1 more electron to achieve noble gas configuration, which is what they want. It's relatively easy to get 1 electron, which makes the halogens very reactive. Also, the halogens all exist as diatomic molecules in nature (except for astatine, but you're not likely to ever deal with any of it.) This means they "pair up" to form F2, Cl2, Br2, or I2. Additionally, dispersion forces within halogen atoms come into play. This is where the random motion of electrons causes slight differences in charges across the length of the atom, affecting how they interact with each other. This force explains why fluorine and chlorine are gases, bromine is a liquid, and iodine is a solid.
What else can I help you with?
Elements in Group 17 are all called?
Halogens Apex ;)
Do any of the halogens have their valance electrons in orbitalsof the same level?
In general, the electronic structure of the valence electrons of halogens is given by: ns2, np5 where n is the period in which the halogen is found. Since the valence electrons are found in both s and p orbitals which have slightly different energies, the valence electrons of halogens are not in orbitals of the same energy level.
What are halogens and where are they located?
Halogens are in Group 7
Why are halogens known as salts?
Halogens are not salts but they are chemical elements; halogens can form salts reacting with metals.
Halogens are radioactive or not?
No, halogens are reactive however and can be dangerous.
Are halogens reactive?
Yes, halogens are extremely reactive.
How are halogens like metals?
Halogens are not like metals. Halogens are elements missing one electron for full valency.
Which non-metals are chemically most reactive?
halogens
What is another name for the group 17 elements?
Another name for Group 17 (VIIA) Elements is Halogens.
Is boron in the halogens group?
No, boron is not in the halogens group. It is located in Group 13 of the periodic table. The halogens are in Group 17.
What periodic table family name does halogens belong to?
halogens is a family!
What elemtns are halogens?
The halogens are the group 17 elements on the periodic table.
