Chapter 20 Vocabulary Words
Terms
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- Metal
- an element that usually have common properties
- Malleable
- able to be hammered or rolled into sheets
- Ductile
- able to be drawn into wires
- Metallic bonding
- a bonding in which positively charged metallic ions are surrounded by a cloud of electrons
- Radioactive element
- an element in which the nucleus breaks down and gives off particles and energy
- Transition elements
- the elements in groups 3 through 12 in the periodic table
- Nonmetal
- elements that are usually gases or brittle solids at room temperature
- Diatomic molecule
- a molecule that consists of two atoms of the same element in a covalent bond
- Metalloid
- can form ionic and covalent bonds with other elements and can metallic and nonmetallic properties
- Allotrope
- diffrent forms of the same element
- Semiconducter
- elements that can conduct an electric current under certain conditions
- Transuranium element
- elements that have more than 92 protons