Noble gases
Group-14 elements share electrons. they form covalent bonds.
Why does group 4A elements tend to form covalent bonds rather than ionic bonds? 
they form elements
Rule of thumb answer is covalent bonds form between non metal elements.
This element is carbon.
Family 18
noble elements
Non metals form bonds by gaining electrons. They form anions.
Electrons, specifically valence electrons are shared when elements form bonds.
Group-14 elements share electrons. they form covalent bonds.
Elements form bonds because of the attractions between atoms or ions. There are several types of bonds such as ionic, covalent and metallic bonds.
Why does group 4A elements tend to form covalent bonds rather than ionic bonds? 
Rule of thumb answer is covalent bonds form between non metal elements.
they form elements
This element is carbon.
The properties of the elements are changed.
Noble gases do not usually form chemical bonds.