Contains carbon, usually bonded to hydrogen

Covalent bonding

(a)  

Ionic bonding

Usually don't contain carbon

(a)  

organic compounds are composed exclusively of carbon and hydrogen

(a)  

Name the Hydrocarbon

(a)  

He created the Bohr model, the most widely accepted model of the atom.

(a)  

• Building blocks of matter. 

• Anything that has mass and occupies space

• It is the arrangement of electrons in energy levels around an atomic nucleus

• It is in the outermost shell of an atom. They are also able to interact with other atoms to form chemical bonds. 

• States that atoms gain, lose or share electrons to fill their outermost energy shell with 8 valence electrons.

• If an atom gives or receives an electron, they become (a)   which means that an atom or molecule with a positive or negative charge.

• It refers to the formation of a chemical bond between two or more atoms, molecules, or ions to give rise to a chemical compound.