- 12358382 1. Physical Properties of Boron. Is boron reactive, why or why not? Secondary School. It reacts with metals to form borides. Boron. Boron acts as a non-metal chemically. wt. The boron group is notable for trends in the electron configuration, as shown above, and in some of its elements' characteristics. ranges 10.806–10.821; m.p. Boron is an element found naturally in leafy green vegetables like kale and spinach. They were made by … Boron differs from the other group members in its hardness, refractivity and reluctance to participate in metallic bonding. Draw a Lewis structure of borane and explain the source of its reactivity. It can also be found in slate and in loam rich rock formations. However, the rest of the elements show metallic properties. Boron is found in many foods including avocado, red apples, peanuts, raisins, prunes, pecans, potatoes, and peaches. Why is boron present in water? The Wonder of Boron . More research is needed to understand the effects, if any, of boron on cancer. Boron in its crystalline form is very unreactive. Why does this happen? Amorphous boron is reactive. Boron is electron-deficient, possessing a vacant p-orbital. Chemistry. No data are available on adverse effects of high boron intakes from food or water . The more electropositive the more reactive they are, as they want to give their electrons like Lithium and potassium. In crystalline form, boron is the second hardest of all elements (behind only carbon in its diamond form) and has one of the highest melt temperatures. Boron is one of the few elements that seems to offer a plausible alternative to carbon as a basis for life elsewhere in the universe. It is sometimes used for athletic performance, osteoarthritis, weak or brittle bones (osteoporosis), and other conditions, but there is no good scientific research to support these other uses. Date: Fri Jan 12 12:49:54 2001 Posted By: Kevin Wright, Secondary School Teacher, Head of Science, Chemistry graduate., Mary Hare School for the Deaf Area of science: Chemistry ID: 979284594.Ch This same concept is the reason metals also react with bases; they have empty p or d orbitals. Chemistry. It can also be found in coffee, grains, prunes, raisins, noncitrus fruits, and nuts. Log in. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. It is unstable because of the incomplete octet of the boron atom in the entire molecule. The normal periodic trend is for atoms to get smaller as one goes from left to right within a row on the periodic table, since the outer electrons are in the same shell, but are being attracted by a more highly charged nucleus. about 2,300°C;; sublimation point about 2,550°C;; sp. While trace amounts of boron are thought to be important for several metabolic functions, no Recommended Daily Allowance (RDA) has been established. Significant concentrations of boron occur on the Earth in compounds known as the borate minerals. Join now. Trihydridoboron exists as a colorless gas. We say that fluorine is electronegative. Health Risks from Excessive Boron. The more elecronegative the more reactive it is, as they are tends to attract electrone. Much boron is made into sodium tetraborate which is used to insulate fiberglass. While crystalline boron is very stable and not reactive with acids, the amorphous version slowly oxidizes in air and can react violently in acid. 1. Log in. But it's less likely that you'll see any changes in symptoms of erectile dysfunction (ED). Log in. Is boron reactive non reactive or very re - Answered by a verified Tutor. Boron is a chemical element which has been used for thousands of years. Middle School. 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