Multiple elements can be selected by holding the control key in the keyboard, elements can easily be selected with mouse and a red border will be present around each selected element.
For deleting the web forms it requires to go to the "Data Center" and press on the 'Delete Form' icon in the relevant form row.
a compound.
When atoms of more than one element chemically bonded together, they form a molecule. In some contexts, the you might answer that they form a compound.
If an element has less than four valence electrons, it will tend to lose its valence electrons and form cations. If an element has more than four valence electrons, it will tend to gain electrons and form anions. An element that has four valence electrons will tend to form covalent bonds rather than ionic bonds.
Allotrope
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An allotrope is a form of an element which has a distinctly different molecular structure to another form of the same element.
The existence of an element (or any other chemical substance) in more than one chemical form is called "allotropy".
No element contains more than one element.
Many of the planets have more than one element. Two of these planets that have more than one element are Earth and Jupiter.
Carbon is the element tht will form only covalent compound.
carbon is an element .. but it has a self linking property wherein more than one carbon atoms link together to form a molecule
This aptitude is called polymorhism.