Show:
Intro to Atoms
Org. the Elements
Metals
Nonmetals
Radioactive Elements
100
The positively charged particles in the nucleus of an atom.**DOUBLE JEOPARDY**
What are protons?
100
A one or two-letter representation of an element.**DOUBLE JEOPARDY**
What is a chemical symbol?
100
A class of elements characterized by physical properties that include shininess, malleability, ductility, and conductivity.
What is a metal?
100
An element that lacks most of the properties of a metal. **DOUBLE JEOPARDY**
What is a nonmetal?
100
Nuclear radiation made of high-energy waves.
What are gamma rays?
200
The negatively charged particles that circle the nucleus of an atom.
What are electrons?
200
The chart of the elements showing the repeating pattern of their properties.
What is the periodic table?
200
An element in Group 1 of the periodic table with one valence electrons.**DOUBLE JEOPARDY**
What is an alkali metal?
200
An element that has some characteristics of both metals and nonmetals. **DOUBLE JEOPARDY**
What is a metalloid?
200
A fast-moving electron that is given off as nuclear radiation.**DOUBLE JEOPARDY**
What is beta particle?
300
The electrically neutral particles in the nucleus of the atom.
What are neutrons?
300
A gas-like state of matter consisting of a mixture of free electrons and atoms that are stripped of their electrons.
What is plasma?
300

A term used to describe material that can be pounded into shapes. **DOUBLE DOUBLE JEOPARDY**

What is malleable?

300
A molecule consisting of two atoms.
What is a diatomic molecule?
300
Nuclear radiation consisting of two protons and two neutrons.
What is an alpha particle?
400
An atom with the same number of protons and a different number of neutrons.**DOUBLE JEOPARDY**
What is an isotope?
400
Elements in the same vertical column of the periodic table; also called a family.**DOUBLE JEOPARDY**
What is a group?
400
A term used to describe a material that can be pulled out into a long wire.
What is ductile?
400
An element in Group 18 of the periodic table, including neon.**DOUBLE JEOPARDY**
What is a noble gas?
400

A radioactive isotope that can be followed through the steps of a chemical reaction or industrial process.**DOUBLE DOUBLE  JEOPARDY**

What is a tracer?

500
The sum of the protons and neutrons in the nucleus of an atom.
What is the mass number? (atomic mass)
500
A horizontal row of elements in the periodic table.
What is a period?
500
One of the elements in Groups 3 through 12 of the periodic table.**DOUBLE JEOPARDY**
What is a transition metal?
500
An element found in Group 17 of the periodic table, including chlorine.
What is a halogen?
500
Using radioactive elements to destroy unhealthy cells.
What is radiation therapy?