Name: Formula: Other name(s) Aluminum: Al +3: Ammonium: NH 4 + Barium: Ba +2: Calcium: Ca +2: Chromium(II) Cr +2: Chromous: Chromium(III) Cr +3: Chromic: Copper(I) Cu + Cuprous: Copper(II) Cu +2: Cupric: Iron(II) Fe +2: Ferrous: Iron(III) Fe +3: Ferric: Hydrogen: H + Hydronium: H 3 O + Lead(II) Pb +2: Lithium: Li + Magnesium: Mg +2: Manganese(II) Mn +2: Manganous: Manganese(III) Mn +3: Manganic: Mercury(I) Hg 2 +2: Mercurous: Mercury(II) Hg +2
1 Make a fine paste line near your top knuckle, and let that dry. 2  Apply thick henna paste up to that line. 3  As the paste dries and bare spots open up, fill those in with more henna. 4  Leave that on for one hour or more. 5  For darker color and more even stain, scrape the paste back and reapply henna a second time.he stain may be dark as the picture at the top of the page or a deep red color, depending on your skin and the henna you use. Other techniques from history: 1  Mix the henna very thick, like pie dough, and press the thick paste onto your fingertips and fingernails.
Add a teaspoon of sugar to the lemon juice and mix well (you can also add a teaspoon of coconut oil to the mixture if you have dry skin). Rub the mixture between your fingers and scrub all over your face using circular motions, giving special attention to the dark spots. Keep scrubbing for two minutes.