Show:
Parts of an Atom
What is Matter?
Atomic Masses
Atomic Numbers
Molecules/ Extended Structures
100
The inner part of an atom that contains the proton and the neutron is called the __________.
Nucleus
100
This is anything that takes up space (has a mass).
matter
100
If an atom was enlarged so the electrons were spinning around the stands of a football stadium, how big would the nucleus be?
marble
100
Atomic numbers of an atom are the same as the number of what in an atom?
protons
100

What is a molecule?

two or more atoms joined together by chemical bonds.

200
These particles have a positive charge and are found inside the nucleus.
proton
200
The smallest pieces of matter are called __________.
atoms
200

True or False: electrons do not change the mass of the atom

False. They have a very small mass, so they don't make a big difference

200
Carbon's atomic number is _______.
6
200

Salt (NaCl) forms this kind of repeating pattern structure

Extended Structure

300
These particles are located within the nucleus, and have no charge.
Neutron
300

Give an example of matter

desk, chair, person, answers may vary

300
A proton has the atomic mass of what?
1
300

How many neutrons are in Nitrogen?

14-7=7

300

Give an example of a molecule.

Answers may vary. H2, O2, H2O, NaCl are some common ones

400
These particles are negatively charge and are found outside the nucleus.
electrons
400

Ice, liquid water, and water vapor are all examples of types of

matter

400
A neutron has the atomic mass of what?
1
400
Why does hydrogen have an atomic number of 1?
because it only has one proton
400

Explain one difference between a molecule and an extended structure.

Extended structures repeat

500
Most of the mass of an atom is located here.
nucleus
500

True or False: Air is not matter because you cannot see it.

False. It has mass and takes up space, so it is matter.

500

How do you find the number of neutrons in an atom?

Rounded atomic mass - atomic number

500

What subatomic particle determines the name of the atom?

protons

500

True or False: Molecules can only be made of two atoms of the same element.

False. Compounds are a type of molecule that have two or more DIFFERENT elements