compounds Parts of an Atom Atomic Masses What is Matter? Atomic Numbers

100

What is a molecule?
A neutral particle that forms as a result of electron sharing.

100

Nucleus
The inner part of an atom that contains the proton and the neutron is called the __________.

100

marble
If an atom was enlarged so the electrons were spinning around the stands of a football stadium, how big would the nucleus be?

100

matter
This is anything that takes up space (has a mass).

100

protons
Atomic numbers of an atom are the same as the number of what in an atom?

200

What is an ionic bond?
An electric attraction between positively & negatively charged ions.

200

proton
These particles have a positive charge and are found inside the nucleus.

200

AMU
Atomic masses are measured in what?

200

atoms
The smallest pieces of matter are called __________.

200

6
Carbon's atomic number is _______.

300

What is a crystal?
a regular repeating arrangement of atoms, ions, or molecules.

300

Neutron
These particles are located within the nucleus, and have no charge.

300

1
A proton has the atomic mass of what?

300

mesons
What type of particle holds the protons and neutrons together in the nucleus?

300

barium
What element has a number of 56?

400

What is a unit cell?
the smallest repeating pattern that shows how the atoms, ions, or molecules are arranged in a crystal.

400

electrons
These particles are negatively charge and are found outside the nucleus.

400

1
A neutron has the atomic mass of what?

400

quarks
Up, Down, Strange, Charm, top and bottom are all names for what type of particle?

400

because it only has one proton
Why does hydrogen have an atomic number of 1?

500

What is temperature?
A measure of the average kinetic energy of the particles in materials.

500

nucleus
Most of the mass of an atom is located here.

500

1/1836
An electron has a mass of what?

500

gluons
What type of particle are quarks held together by?

500

electrons
Some atoms have more ___________, which makes it an isotope and gives it a negative charge

Simple Chemistry

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