Smallest particle of an element.
What is an atom?
He thought that atoms were like smooth, hard balls that could not be broken into smaller pieces.
Who is Dalton?
Atoms of the same element that have different numbers of neutrons are called
What is isotopes?
Is only 1/2,000 the size of the proton or neutron
What is an electron?
These are the 3 states of matter.
What are solid, liquid, and gas?
Negatively charged particles
What is an electron?
He suggested that atoms had negatively charged electrons embedded in a positive sphere.
Who is Thomson?
Sum of the protons and neutrons in the nucleus of an atom.
What is mass number?
An atom has an atomic number of 6 and a mass number of 14, how many protons, electrons, and neutrons are in the atom
What is 6 protons, 6 electrons, and 8 neutrons?
State of matter that has definite shape and definite volume.
What is a solid?
Tiny region in the center of an atom.
What is a nucleus?
He found the atom is filled with mostly empty space with a tiny center.
Who is Rutherford?
Number of protons in the nucleus of an atom.
What is the atomic number?
Protons, electrons and neutrons are types of these particles?
What is subatomic particles?
These 3 factors affect the pressure of an enclosed gas.
What are volume, temperature, and number of particles?
Positively charged particles.
What is a proton?
He was the very first person who believed all matter consisted of extremely small particles that could not be divided.
Who is Democritus?
Protons are about the same size as
What is a neutron?
All atoms of an element have the same what?
What is atomic number?
His law states that the volume of a gas is directly proportional to its temperature in kelvins.
Who is Charles?
Has no electric charge and is found in the nucleus.
What is a neutron?
Thomson's model of an atom can be described as what food?
What is plum pudding?
Protons, electrons, and neutrons can be distinguished by these 3 things?
What are mass, charge, and location of an atom?
The atomic number of sulfur is 16. How many electrons are there in an atom of sulfur-34?
What is 16?
The combined gas law.
P1V1/T1 = P2V2/T2