Atoms
Elements
Periodic Table
Miscellaneous
Miscellaneous
100
What are the 3 parts of an atom and what are their charges?
What is Protons, Neutrons, and Electrons. (+) neutral (-)
100
"O" is the symbol for which element?
What is Oxygen
100
____ are elements that conduct electricity and heat well and have a shiny appearance.
What is metal
100
____ can be used to kill cancerous tissue, such as a brain tumor.
What is radiation
100
Atoms are thought to be composed of even smaller particles that hold protons and neutrons together. These are called ____.
What is Quark
200
The ____ and ____ of an atom make up the center part called the ____.
What is protons, neutrons, nucleus.
200
"H" is the symbol for which element?
What is Hydrogen
200
Name two examples of nonmetals.
What is O, Cl, C, He, Ne, etc.
200
What is the compound NaCl?
What is table salt
300
The total number of protons and neutrons in an atom's nucleus is called its ____ ____ ____.
What is the atomic mass number
300
"Cl" is the symbol for which element?
What is Chlorine
300
Elements that have properties of both metals and nonmetals.
What is metalloid
300
What is one way scientists name elements?
What is latin name
300
The symbol for Magnesium is ____.
What is "Mg"
400
The identity of an atom is determined by the number of protons in its nucleus called the ____ ____.
What is the atomic number
400
"Hg" is the symbol for which element?
What is Mercury
400
Name one example of a metalloid.
What is B, Si, Ge, As, Sb, Te, Po, At
400
In radioactive decay, the amount of time that it takes for one-half of the atoms to decay is called the ____.
What is half-life
400
What is the element in Period 4 Group 1?
What is Potassium
500
Atoms of the same element that have a different number of neutrons.
What is an isotope
500
"Na" is the symbol for which element?
What is Sodium
500
Atomic mass is measured in what units?
What is amu (atomic mass unit)
500
What element has the potential to explode on contact with water? Mr. Johnson demonstrated this reaction one day in class.
What is Sodium
500
Name one gas used to light up many colorful signs.
What is neon, krypton, xenon, or argon.
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