P, N, E
Particle with a positive 1 charge & a mass of 1
What is a proton?
This person discovered the atom.
Who is Democritus?
The charge on an ion of aluminum.
What is +3?
Isotopes have the same number of _____, but different numbers of ______.
What are protons & neutrons?
This element has 74 protons (give the name, not the symbol)
What is tungsten?
This person discovered the nucleus & proton.
Who is Rutherford?
An element has 11 protons & 10 electrons. Write its symbol with charge.
Na+
Protons and neutrons are in boron-11.
What are 5 protons & 6 neutrons?
This neutral atom has 14 electrons.
What is silicon?
This particle was discovered by JJ Thompson.
What is the electron?
An element has 52 protons and 54 electrons. Write its symbol with charge.
Te2-
Write the symbol for the element with 4 protons and 4 neutrons.
What is 8Be?
This many neutrons would be found in Br-70.
What is 35?
The gold foil experiment was used to discover this particle.
What is the nucleus?
List protons & electrons in Si+4.
protons = 14
electrons = 10
Protons & neutrons in lead-202.
What are 82 protons and 120 neutrons?
Number of protons, neutrons, & electrons in a neutral atom of phosphorus-31.
What is 15, 16, & 15?
Who is James Chadwick?
Write the symbol for the element containing 26 protons, 30 neutrons, and 23 electrons.
What is 56Fe+3?
Protons, neutrons, & electrons in a neutral atom of Zn-60.
What are 30 protons, 30 neutrons, & 30 electrons?