Ngongi

2. any of the series of saturated hydrocarbons
6. a substance which cannot be further subdivided by chemical method
7. an atom, molecule or ion able to accept an electron pair
10. organic substances occurring naturally, which are basic, forming salts with acids
11. loss of electrons during a reaction by a molecule, atom or ion
13. negatively-charged ion
15. organic compound of hydrogen and carbon
17. an agent able to produce positively charged hydrogen ions
18. molecules that have the same molecular formula but different structures

1. substance that can combine with a proton
2. tendency of a compound to act as a hydrogen donor
3. definite combination of elements into a more complex structure
4. separation of electric charge leading to a molecule or its chemical groups having an electric dipole moment
5. spatial arrangement of a molecule in space at any particular moment in time
8. a substance that changes (speeds up) the rate of a chemical reaction without itself undergoing a permanent chemical change
9. tendency of an atom to attract a shared pair of electrons towards itself
11. region in space where an electron is likely to be found in an atom
12. Theory/ framework of ideas
14. process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons
16. positively-charged ion