Atomic Ness Monster
Mende-WHO?
Heavy Metal Man
Elementary My Dear Watson
RADIOACTIVE
100
the negatively charged particles in an atom
What is an electron
100
an arrangement of elements showing the repeating pattern of their properties
What is the periodic table
100
elements that are good conductors of electric current or heat
What is a metal
100
an element that lacks most of the properties of a metal
What is a nonmetal
100
ability of elements to spontaneously emit radiation
What is radioactivity
200
positively charged particles in an atom
What is a proton
200
horizontal rows on the periodic table
What are periods
200
the ability to be hammered or rolled into flat sheets
What is malleable
200
family 17 elements
What are halogens
200
radioactive isotopes used to detect disease or used in tracking a chemical reaction or industrial process
What is tracers
300
particle with no electric charge
What is a neutron
300
vertical columns of a periodic table
What are groups or families
300
ability to be pulled out, or drawn, into a long wire
What is ductile
300
elements in Family 18
What are noble (inert) gases
300
positively charged particle made of two protons and two neutrons - blocked by a piece of paper
What is an alpha particle
400
number of protons in the nucleus
What is the atomic number
400
representation of an element usually consisting of one or two letters
What is the chemical symbol
400
the gradual wearing away of a metal due to a chemical reaction
What is corrosion
400
# of valence electrons in Carbon family
What is 4
400
fast moving electron given off by a nucleus during radioactive decay - blocked by aluminum sheet
What is a beta particle
500
sum of protons and neutrons in the nucleus
What is the mass number
500
the average mass of all the isotopes of an element
What is the atomic mass
500
metals found in family 1
What are alkali metals
500
have some properties of metals but also some properties of nonmetals
What are semimetals
500
high-energy waves that can go through most substances except lead or very thick concrete
What is gamma radiation
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