The elements He, Cu, and Hg are examples of elements, that naturally occur, in the environment. These particular ones would represent the three states of matter which include gases, solids, and liquids respectively. There is a fourth state, plasma, which allows the matter to carry charges.
They are symbols that are in the periodic table. He = Helium Cu = Copper Hg = Mercury
elements
High Grade
Na is solid. Hg, Br are liquids at room temp.
No, Cu is copper--an element. Elements are pure substances, while compounds are two or more joined elements.
They are all examples of the Ph scale xx
They are symbols that are in the periodic table. He = Helium Cu = Copper Hg = Mercury
elements
Some examples are: Mn, Fe, Co, Ni, Cu. .
Hg, Cu, Fe, W
High Grade
Probable you think to Cu(I) and Cu(II) but these are not different elements.
Cu and S or copper and sulfur
Cu is only one element- copper. But its latin name is Cuprum.
Na is solid. Hg, Br are liquids at room temp.
There are two elements. Those are Hg and Br2.
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