General Chemistry Dictionary. (metal,metalloid) A nonmetal is a substance that conducts heat and electricity poorly, is brittle or waxy or gaseous, and cannot be hammered into sheets or drawn into wire. Nonmetals gain electrons easily to form anions . About 20% of the known chemical elements are nonmetals.
When and if your child comes to you and asks you to explain global warming, you need to know the basics yourself so you can effectively explain it to your child. Global warming refers to the gradual temperature increase that the Earth has experienced and is projected to continue to experience as time passes.lobal warming for kids can be a tough subject to approach. Not only are there conflicting scientific views regarding global warming, but you also don't want to give your young children the idea that they are inheriting a doomed Earth.
Tantrums: Why they happen and what to do about them. What to do when your preschooler pitches a fit. Defiance: Why it happens and what to do about it. What to do when your 2-year-old refuses to mind you. Whining: Why it happens and what to do about it.How to save your sanity without giving in to your preschooler's whining. Biting: Why it happens and what to do about it. How to stop your 2-year-old from biting -- without blaming or punishing.hat to do when your 2-year-old refuses to mind you. Whining: Why it happens and what to do about it. How to save your sanity without giving in to your preschooler's whining.