The Atom
This is the center of the atom.
Nucleus
The symbol is H. What is the name?
Hydrogen
The name is Helium. What is the symbol?
He
This element is a gas, and used for colorful signs.
Neon
The columns of elements are known as:
Groups or families
These are the positively charged particles in an atom.
Protons
The symbol is Ca. What is the name?
Calcium
The name is Neon. What is the symbol?
Ne
This element is a metal, and used as foil in kitchens.
Aluminum
The rows of elements are known as:
Periods
These are the negatively charged particles in an atom.
Electrons
The symbol is Mg. What is the name?
Magnesium
The name is Iron. What is the symbol?
Fe
This element is what animals need for cellular respiration.
Oxygen
Elements in the same _________ have similar properties.
Group, family, or column
These are the neutral particles in an atom.
Neutrons
The symbol is Ar. What is the name?
Argon
The name is Silver. What is the symbol?
Ag
This element is need for your bones, and is found in milk.
Calcium
This scientist constructed one of the first periodic tables.
Mendeleev
The electrons spin around in an area called the:
Electron cloud
The symbol is Au. What is the name?
Gold
The name is Tungsten. What is the symbol?
W
If you get muscle cramps, then you may not have enough of this element. It's found in bananas!
Potassium
Count the protons, neutrons, and electrons in this isotope:
Helium - 5
Protons = 2
Neutrons = 3
Electrons = 2