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Atomic Structure
Periodic Table
Elements
Greek
100
Atoms
What are tiny particles that are the building blocks of all matter?
100
K, Ca, Co many possibilities
What are three elements in period 4?
100
Salt
What does the compound NaCl make?
100
Democritus
Who is known as the father of modern science?
200
Proton, Neutron, Electrons
What are the three basic particles in an atom?
200
Be, Mg, Ca
What are three elements in group 2?
200
Cl 35
What is the chemical symbol and mass number for Chlorine?
200
earth, fire, water, air
What are the four elements Aristotle modified in his early theory?
300
Nucleus is made of Protons and Neutrons
What is the center or an atom and what is it made of?
300
top left corner of each element
Where can you find the mass number on the periodic table?
300
top right and C, N, O, F, Ne, Cl, etc.
What is a nonmetal and where is it on the periodic table?
300
You eventually will cut something into so many pieces that it won't be identifiable anymore
What is Democritus's theory on matter?
400
Electron
What is the smallest and lightest particle of an atom?
400
top right and C, N, O, F, Ne, Cl, etc.
What is a nonmetal and where is it on the periodic table?
400
Oxygen, Nitrogen, Hydrogen, and Carbon
What are the four most abundant elements on earth?
400
atomos is a Greek word which means indivisible
Where did the word atom come from and what does it mean?
500
Yes, protons have a positive charge, electrons have a negative charge, and neutrons have a neutral charge.
Are atoms electrically charged? Why?
500
Mass number
How do you know if one element is heavier than another?
500
11
How many protons does Sodium have?
500
Democritus and Aristotle
Who are the two Greek scientists we learned about this unit?