a prefix
a prefix
Prefixes are used.
Electronegativity is the tendency of an atom to attract the electrons of a covalent bond towards it.
The number of unpaired electrons determines the number of covalent bonds that can be formed by an atom.
The number of unpaired electrons in the outermost shell determines the number os covalent bonds an atom can form.
Atomic number of an atom shows the number of protons in the nucleus of the atom. OR Atomic number of an atom is the number of electrons in the atom when the atom neutrally charged
Prefixes in a name generally indicate the number of atoms of a certain element in a compound. For example, carbon dioxide has two atoms of oxygen and one atom of carbon.
An atom can make a number of covalent bonds equal to the number of electrons it needs to fill its outer shell
1
It depends on the number of valence electrons.
The number of unpaired electrons in valence shell or numbers of electrons less then 8 in outermost shell of an atom give information about covalent bonds my be formed by an atom.
3 covalent bonds (as in ammonia).