Astatine is a compound made from two or more different elements.
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Some examples: HAt, NaAt, MgAt2, CAt4, AtBr, AtI, etc.
nitrogen
Organic compounds are made with carbon and some other atom. Often, this is hydrogen, oxygen, or nitrogen, but occasionally it can be some other element.
If you mean elements, there are six members of the halogen family; fluorine, chlorine, bromine, iodine, astatine, and element 117. Element 117 has not yet been officially named. It is currently called ununseptium, Uus, which means 117.
i know i im only in 5th grade ... no (im unsure i learnd it 5 weeks ago)
Bromine, because Bromine has an atomic mass of only 5.
Iodine, element number 53 is the halogen (Group 17) element in period 5.
nitrogen
Possible Compounds = X2Z3, X2Z5, XZ, X3Z5
Organic compounds are made with carbon and some other atom. Often, this is hydrogen, oxygen, or nitrogen, but occasionally it can be some other element.
Dalton's theory was based on five principle: 1.An element is fundamentally different from any other element. 2.All atoms of a each element are identical. 3. Atoms from one element can combine with atoms from another element to form compounds. 4. Atoms cannot be created or divided 5. Element are made of small particle called atoms.
If you mean elements, there are six members of the halogen family; fluorine, chlorine, bromine, iodine, astatine, and element 117. Element 117 has not yet been officially named. It is currently called ununseptium, Uus, which means 117.
i know i im only in 5th grade ... no (im unsure i learnd it 5 weeks ago)
Bromine, because Bromine has an atomic mass of only 5.
Astatine is in the group 7A of the periodic table. The members of this group all have an ionic charge of -1, so At (astatine) will have a -1 ionic charge.
The element with chemical symbol As, is Arsenic. Arsenic in part of the Group 15 family of elements along with Nitrogen, Phosphorus, Antimony and Bismuth. Arsenic has 33 electrons in a standard atom, with 4 electron shells and 5 electrons in the outer shell.
aeroplanes, antacid, fireworks, magnets and atomic power stations
Mostly -1, but +1, +3, +5 and +7 are also found.