55
Scientists have identified 118 elements, with the most recent addition being tennessine in 2016. These elements span the periodic table and have unique properties that contribute to their classification.
4000
Yes, seawater contains a variety of different atoms and molecules, including sodium, chloride, magnesium, sulfate, and many others. These elements combine to form different types of salts and minerals that make up the composition of seawater.
Scientists have identified 118 elements, each made up of unique atoms with different numbers of protons in their nucleus. These elements combine in various ways to form all the matter in the universe.
117 elements
the total number of elemetns humanly known is 118
By the year 1700, about 13 elements had been identified, including carbon, sulfur, copper, iron, and mercury.
92 atoms have been identified, i think(:
Thus far (2012) there have been 118 unique elements identified, the most recent being Ununoctium, discovered in 2003. >> Ununoctium: symbol Uuo, at. no. 118, at. wt. 294 ... it's man made and Radioactive.
There are only 117 out of 118 elements on the Periodic Table that have been identified by research groups. Only 112 of the 117 have been recognized by the IUPAC. So, technically, there are 118 elements.
Scientists have identified 118 elements, with the most recent addition being tennessine in 2016. These elements span the periodic table and have unique properties that contribute to their classification.
There are many elements that are contained in seawater. Some examples include magnesium, sulfur, selenium, silicon, fluorine, sodium, and chlorine.
4000
2
i do not know
4,000
their are about 100