This scientist discovered the electron and developed the plum pudding/ Chocolate chip model
Who is JJ Thomson?
What three particles make up an atom
proton, neutron, and electron
How many protons and neutrons does Iron have?
26 protons and 30 neutrons
This Scientist proved the "Plum Pudding" theory wrong using the "Gold Foil Test"?
Who is Ernest Rutherford?
This particle has no charge and helps to keep the nucleus in tact.
What is a neutron?
How many electrons does H have?
1 electron
How many protons, electrons, and neutrons does Argon have
Neutrons = 22
Electrons = 18
This particle gives an atom it's negative charge.
What is an electron?
What is the atomic number?
The number of protons in the nucleus
This element has 30 electrons
What is Zinc?
How many protons, neutrons, and electrons does Fluorine have?
protons = 9
neutrons = 10
electrons = 9
The first person to arrange the elements in a periodic table.
Who is Dmitri Mendeleev?
These 2 particles have a relative mass of 1 amu.
What are protons and neutrons?
This is the formula for mass number.
What is # of protons + # neutrons?
The element with a mass # of 23
What is Sodium?
How many protons, neutrons, and electrons does Silicon have?
neutrons = 14
electrons = 14
This particle has virtually no mass, but contributes mostly to the volume of the atom.
What is an electron?
How is an element identified?
Identified by the number of protons, atomic number, or electrons
This element has 4 protons and 5 neutrons
Beryllium
How many protons, neutrons, and electrons does Silver have?
protons = 47
neutrons = 61
electrons = 47