Atomic Structure
What are the three subatomic particles?
Proton, Neutron, Electron
What is one row of the periodic table called?
A period
What is the charge of a proton?
Positive
How many protons does Iodine have?
53
What subatomic particles are found in the nucleus of an atom?
Protons and Neutrons
How is the periodic table mainly organized?
By increasing atomic number/number of protons and electrons (also by properties)
What is the charge of an electron?
Negative
How many electrons does Barium have?
56
Where are electrons found in the atom?
Orbiting the nucleus, the electron cloud
Name the three main groups on the periodic table
Metals, Non-metals, Metalloids
What is the charge of a neutron?
Neutral or no charge
How many neutrons does Cobalt have?
~29
How is the Atomic Number of an element calculated?
It is equal to both the number of protons and number of electrons
How do the number of protons relate to the organization of the periodic table?
Elements are organized by increasing number of protons
How do you calculate the number of electrons in an element using the periodic table?
It is equal to the atomic number
How many neutrons does Zinc have?
33
If an element has the same number of electrons as protons, what is the charge of an atom of that element?
Neutral/No charge
What do different periods in the periodic table represent?
Different electron energy levels, the number of the period represents the number of electron levels that have electrons in that element
How many electrons can fit in the first energy level of an atom?
2
How many electron energy levels are used in a Sulfur atom?
3