Protons, Neutrons and Electrons
What is the charge of a proton and where is it located?
Positive, nucleus
This person was the first to think about an atom's existence.
Who is Democritus?
Which particles are responsible for an atoms charge?
Protons and electrons
How many protons, neutrons and electrons are in
24 0
Mg
12
Protons: 12
Neutrons: 12
Electrons:12
What is the atomic number and mass number of
24 0
Mg
12
Atomic number: 12
Mass number:24
What is the charge of a neutron and where is it located?
Neutral, nucleus
This meteorologist brought evidence of the atom's existence to the table, and created 4 points (postulates) for his theory.
Who is John Dalton?
What is the charge of an atom with 10 protons, 10 neutrons and 10 electrons?
0, neutral
How many protons, neutrons and electrons are in
23 +1
Na
11
Protons: 11
Neutrons: 12
Electrons:10
What is the atomic number and mass number of
23 +1
Na
11
Atomic number: 11
Mass number:23
What is the charge of an electron and where is it located?
Negative, electron cloud or orbital
This experiment was used to discover the electron by using gas, a tube, and charged plates.
What is the Cathode Ray Tube experiment?
What is the charge of an atom with 7 protons, 7 neutrons and 6 electrons?
+1
How many protons, neutrons and electrons are in
4 +2
He
2
Protons: 2
Neutrons: 2
Electrons: 0
What is the atomic number and mass number of
4 +2
He
2
Atomic number: 2
Mass number: 4
Which particle(s) have a mass of 1 amu?
Protons and neutrons
This scientist performed the Gold Foil experiment, giving us a better understanding of the shape of an atom.
Who is Ernest Rutherford?
What is the charge of an atom with 8 protons, 7 neutrons and 7 electrons?
+1
How many protons, neutrons and electrons are in
16 -2
Na
8
Protons: 8
Neutrons: 8
Electrons:10
What is the atomic number and mass number of
16 -2
Na
8
Atomic number: 8
Mass number: 16
Which particle(s) have a mass of 1/1840 amu?
Electrons
Of the 4 points in Dalton's Theory, we now know these two are not accurate or correct.
What are Dalton's 1st and 2nd points (Atoms are indivisible and Atoms of the same element are identical)?
What is the charge of an atom with 12 protons, 13 neutrons and 14 electrons?
-2
How many protons, neutrons and electrons are in
11 -3
B
5
Protons: 5
Neutrons: 6
Electrons:8
What is the atomic number and mass number of
11 -3
B
5
Atomic number: 5
Mass number: 11