As a group, halogens exhibit highly variable physical properties. Halogens range from solid (I2) to liquid (Br2) to gaseous (F2 and Cl2) at room temperature. The chemical properties are more uniform. The halogens have very high electronegativities.Fluorine has the highest electronegativity of all elements.alogens range from solid (I2) to liquid (Br2) to gaseous (F2 and Cl2) at room temperature. The chemical properties are more uniform. The halogens have very high electronegativities. Fluorine has the highest electronegativity of all elements.
A gene can exist in many different forms, calledalleles. For example, letâs say that there is one gene which determines the color of your hair. That one gene may have many forms, or alleles: black hair, brown hair, auburn hair, red hair, blond hair, etc. You inherit one allele for each gene from your mother and one from your father. Each of the two alleles you inherit for a gene each may be strong (dominant) or weak (recessive).
Dye your hair lighter or darker. If you have dark hair, try going blond for a look that's exotic to you. If your hair is fair, dye it dark brown or even black. Changing your hair color is one of the best ways to add an element of the exotic to your look.No matter what your natural hair color is, dyeing it a different color will instantly make you feel different. 1  You could also dye your hair a bold color.hanging your hair color is one of the best ways to add an element of the exotic to your look. No matter what your natural hair color is, dyeing it a different color will instantly make you feel different. 1  You could also dye your hair a bold color.