Characteristics of an Element
True or False
People
people
Facts
100
How many stable isotopes does Tin have?
What is 10 stable isotopes
100
Does Tin have 4 solid allotropes?
False Tin has 2 solid allotropes
100
Who developed the atomic theory of matter?
What is John Dalton
100
Who said matter is made up of indivisible particles called atoms?
What is Dalton
100
A diamond is an example of what?
What is Crystalline solid
200
Which element is the lightest and most abundant element in the world?
What is Hydrogen
200
Are liquids, gases, and plasma fluids?
What is True
200
Who taught that all matter was made up of earth, air, water, and fire?
What is Empedocles
200
Who was the first person to use the terms alpha, beta, and gamma?
What is Ernest Rutherford
200
What makes up a nucleus?
What is Protons and neutrons
300
What are Hydrogen's three common isotopes?
What is Protium, deuterium, and tritium
300
Is hydrogen highly flammable?
What is True
300
Who proposed that electrons have only a specific amount of energy and travel in certain orbits based on that energy level?
What is Niels Bohr
300
Who realized that hydrogen gas is a distance substance?
What is Henry Cavendish
300
Which metals are usually on the right side of the periodic table?
What is Nonmetals
400
True or false, until 1960 atomic weights were expressed on a scale with oxygen as the reference?
What is True
400
Is sodium an essential element for living things, including humans?
What is True
400
Who created the periodic table of elements?
What is Mendeleev
400
Who presented the theory that all matter was made up of smaller indivisible building blocks?
What is Democritus
400
What element is used to help prevent tooth decay?
What is Fluorine
500
Which element is the lightest of the nobel gases?
What is Helium
500
Is mercury a good conductor of heat?
What is False Mercury is a good conductor of electricity but not of heat
500
Who did not accept the theory of atoms?
What is Aristotle
500
Who was awarded a Nobel Prize for physics for his work on atomic structure?
What is Niels Bohr
500
Which element is the fifth most abundant element in the earth's crust?
What is Calcium
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