| HYDROGEN | Most abundant element in the universe |
| OXYGEN | Accounting for 65 per cent of the mass of the human body, the third-most abundant element in the universe, atomic number eight (6) |
| HELIUM | Lighter-than-air gas that is the second-most abundant element in the universe (6) |
| NEON | Fifth most abundant element in the universe, discovered by British chemists William Ramsay and Morris Travers in 1898 (4) |
| ALUMINIUM | Third most abundant element in the earth's crust, and the most abundant metal (9) |
| SILICON | Second most abundant element in the earth's crust after oxygen, named from the Latin for 'flint' (7) |
| IRON | Fourth most abundant element in the earth's crust, chiefly occurring in haematite ore (4) |
| SODIUM | Sixth most abundant element in the Earth's crust |
| SILICA | Compound combining the two most abundant elements in the Earth's crust (6) |
| HYDRIC | Of the most abundant element in our solar system (6) |
| NITROGEN | Most abundant element in Earth's atmosphere |
| ARGON | Third-most abundant element in Earth's atmosphere |
| PLASMA | 'Fourth' state of matter, and the most abundant in the universe; comprising approximately equal numbers of superheated ions and electrons (6) |
| BRAHMAN | In Hinduism, the Ultimate Reality in the universe |
| POTASSIUM | Seventh most abundant element on Earth (9) |
| YIN | In Chinese philosophy, the passive, negative, feminine force or principle in the universe |
| HEMAN | Former tennis player loses a point to become the most powerful person in the universe? (2-3) |
| YANG | In Chinese philosophy, the active positive masculine force or principle in the universe |
| QUASAR | One of a number of astronomical bodies thought to be the most luminous objects in the universe |
| REDDWARF | The most numerous type of star in the universe (3,5) |
