Parts of Atom
History of Atoms
Atoms
More Atoms
Miscellaneous
100

Smallest particle of an element.

What is an atom?

100

He thought that atoms were like smooth, hard balls that could not be broken into smaller pieces.

Who is Dalton?

100

Atoms of the same element that have different numbers of neutrons are called

What is isotopes?

100

Is only 1/2,000 the size of the proton or neutron

What is an electron?

100

These are the 3 states of matter.

What are solid, liquid, and gas?

200

Negatively charged particles

What is an electron?

200

He suggested that atoms had negatively charged electrons embedded in a positive sphere.

Who is Thomson?

200

Sum of the protons and neutrons in the nucleus of an atom.

What is mass number?

200

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?

200

State of matter that has definite shape and definite volume.

What is a solid?

300

Tiny region in the center of an atom.

What is a nucleus?

300

He found the atom is filled with mostly empty space with a tiny center.

Who is Rutherford?

300

Number of protons in the nucleus of an atom.

What is the atomic number?

300

Protons, electrons and neutrons are types of these particles?

What is subatomic particles?

300

These 3 factors affect the pressure of an enclosed gas.

What are volume, temperature, and number of particles?

400

Positively charged particles.

What is a proton?

400

He was the very first person who believed all matter consisted of extremely small particles that could not be divided.

Who is Democritus?

400

Protons are about the same size as

What is a neutron?

400

All atoms of an element have the same what?

What is atomic number?

400

His law states that the volume of a gas is directly proportional to its temperature in kelvins.

Who is Charles?

500

Has no electric charge and is found in the nucleus.

What is a neutron?

500

Thomson's model of an atom can be described as what food?

What is plum pudding?

500

Protons, electrons, and neutrons can be distinguished by these 3 things?

What are mass, charge, and location of an atom?

500

The atomic number of sulfur is 16. How many electrons are there in an atom of sulfur-34?

What is 16?

500

The combined gas law.

P1V1/T1 = P2V2/T2