5 Written Questions
5 Matching Questions
- radioactive decay
- a A material that conducts electric current under some conditions.
- b The process in which the atomic nuclei of unstable isotopes release fast-moving particles and energy.
- c A negatively charged particle that is found outside the nucleus of an atom.
- d A term used to describe material that can be pounded into shapes
- e A positively charged particle that is part of an atom's nucleus.
5 Multiple Choice Questions
- A class of elements characterized by physical properties that include shininess, malleability, ductility, and conductivity
- Elements in the same vertical column of the periodic table; also called a family.
- The gradual wearing away of a metal element due to a chemical reaction.
- A fast-moving electron that is given off as nuclear radiation.
- A horizontal row of elements in the periodic table showing the repeating pattern of their properties
5 True/False Questions
alpha particle → A fast-moving electron that is given off as nuclear radiation.
atom → The basic particle from which all elements are made.
ductile → A class of elements characterized by physical properties that include shininess, malleability, ductility, and conductivity
particle accelerator → A machine that moves atomic nuclei at higher and higher speeds until they crash into one another, sometimes forming heavier elements.
mass number → The sum of protons and neutrons in the nucleus of an atom