organ system – 8 a group of organs working together to perform a function. example: respiratory, digestive, and skeletal system species – 10 a group of similar organisms that can reproduce to form fertile offspring Read more…
Ion charged atom Ionic bond attraction between oppositely charged ions + ion (cation) Forms when an electron is lost – ion (anion) Forms when an electron is gained non polar covalent bond forms by the Read more…
ionic bond A chemical bond resulting from the attraction between oppositely charged ions. Metal+ Non metal covalent bond A chemical bond formed when two atoms share electrons . Non metal + Non metal polar covalent Read more…