Show:
Atoms
Periodic Table
Metals and Nonmetals
Radioactive Elements
Misc.
100
This is the center of an atom
What is the Nucleus?
100
The atomic number of an element tells me the number of this in the nucleus
What are Protons?
100
Nonmetals are found mostly on this side of the periodic table
What is the Right?
100
Term for emitting radiation
What is radioactivity?
200
These particles have a negative charge
What are electrons?
200
Group 1 of the periodic table is called this
What is Alkali Metals?
200
Material that can be hammered or rolled into sheets
What is Malleable?
200
This particle is large and less dangerous, it contains two protons and two neutrons
What is Alpha Particle?
200
This early scientist believed that the atom was on solid sphere that could not be broken up.
Who is Dalton?
300
These two particles (found in the nucleus) are what makes up an atom's mass
What are Protons and Neutrons?
300
Number of groups in the periodic table
What is 18?
300
Name of the second most reactive group of metals
What is Alkaline Earth Metals (group 2)
300
The process in which radioactive elements release fast-moving particles and energy.
What is radioactive decay?
300
The deterioration of a metal due to reactions with the environment.
What is corrosion?
400
This scientist discovered that the nucleus of an atom is extremely small by firing positive charged particles and seeing if they bounce back.
Who is Rutherford?
400
Na is the chemical symbol for this element
What is Sodium?
400
Name for the most reactive group of nonmetals
What are Halogens?
400
The process of figuring out the age of plants and fossils by counting the number of half-lives
What is Radioactive Dating.
400
Mg and Ca belong to this group in the periodic table
What is group 2 (alkaline earth metals)
500
An atom with the same number of protons and different number of neutrons is called this
What is an Isotope?
500
Scientist who created the first periodic table (you have to say it correctly)
Who is Mendeleev?
500
Name 4 nonmetals
What is He, H, C, N, O, F, Ne, P, S, Cl, Ar, Se, Br, Kr, I, Xe, Rn, UUo (18 total)
500
Nd (atomic #60) undergoes a beta decay. This is the new atomic number.
What is 61 (Pm)?
500
Metalloids are used to make these, which can create electric current under the right situation.
What are Semiconductors?