Developing the Scientific Theory
Which scientist conducted experiments and inferred that all atoms had certain characteristics?
Who is John Dalton?
What type of compound reacts with metals and carbonates?
What is acid
What is an atom
This is the positively charged particle found within the nucleus of an atom.
What is a proton
This element is found in group one, period 4
What is Potassium
This scientist found information to challenge Thomson's model.
Who is Rutherford
What type of compound is more likely to accept a proton?
What is a base
The number of protons that can be found in the nucleus.
What is the Atomic Number
This is the particle found within the nucleus that has no charge.
What is a neutron.
This element is found in group 13, period 3.
What is Aluminum.
This scientist discovered that atoms have negatively charged particles called electrons.
Who is Thomson.
What type of compound tastes sour?
What is an acid
Atoms with the same number of protons but different numbers of neutrons
What are isotopes
This subatomic particle is found outside of the nucleus and has a negative charge.
What is an electron.
This element is found in group 8, period 4
What is Iron
This scientist found that the center of atoms is a positively charged center through experimentation.
Who is Rutherford
What type of compound do geologists use to identify rocks?
What is an acid
The sum of the protons and neutrons in the atom, this value can change for different atoms of the same element
What is the Mass Number
This part of the atom contains both the neutrons and protons
What is the nucleus
This element is found in group 16, Period 2
What is oxygen
This scientist proposed that matter is made of small pieces called "atomos"
Who is Democritus
What type of compound tastes bitter?
What is a base
The average mass of all the atoms of an element is called what
This part of the atom surrounds the nucleus.
This element is found in group 14, group 2
What is Carbon