Today fill in the blanks when the screen shows red and underlined words.

I. Atomic Structure(or what atoms are made of)

I. Atomic StructureDraw and color the diagram and Key below

4 Blue Protons

5 Yellow Neutrons

4 Red Electrons

Nucleus

Key

4Be

Beryllium9

I. Atomic StructureA. Vocabulary

1. Atom – – basic building block of matter.

2. Nucleus – – the central part of an atom that consists of

protons and usually neutrons Turn to your Glossary to letter “N”.Add the word “nucleus” and the page number of your “Atomic Structure Notes” page (probably page 35)

I. Atomic StructureA. Vocabulary

3. Proton – – a particle in the nucleus of an atom

Turn to your Glossary to letter “P”.Add the word “proton” and the page number of your “Atomic Structure Notes” page (probably page 35)

I. Atomic StructureA. Vocabulary

4. Neutron – – a particle in all nuclei except the hydrogen

nucleus

Turn to your Glossary to letter “N”.Add the word “neutron” and the page number of your “Atomic Structure Notes” page (probably page 35)

I. Atomic StructureA. Vocabulary

5. Electron –– a particle that orbits a nucleus

Turn to your Glossary to letter “E”.Add the word “electron” and the page number of your “Atomic Structure Notes” page (probably page 35)

I. Atomic StructureA. Vocabulary

6. Element –– A substance that consists of just one type

of atom

Turn to your Glossary to letter “E”.Add the word “element” and the page number of your “Atomic Structure Notes” page (probably page 35)

I. Atomic StructureA. Vocabulary

7. Atomic Number = number of protons

8. Atomic Number = number of electrons

9. Atomic Mass = number of protons plus neutrons

4Be

Beryllium9

I. Atomic StructureA. Vocabulary

Atomic Number

Turn to your Glossary to letter “A”.Add the words “atomic number” and the page number of your “Atomic Structure Notes” page (probably page 35)

I. Atomic StructureA. Vocabulary

Atomic Mass

Turn to your Glossary to letter “A”.Add the words “atomic mass” and the page number of your “Atomic Structure Notes” page (probably page 35)

I. Atomic StructureB. Atom

1. Has a nucleus

2. Has electrons

3. Usually has neutrons

(inside the nucleus) 

I. Atomic StructureC. Nucleus

1. Has protons (red)

2. Usually has neutrons

(white) 

I. Atomic StructureD. Electrons

1. Tiny, very light particles

2. Have a negative

electrical charge (-)

3. Move around the outside of the nucleus

I. Atomic StructureE. Protons

1. Larger and heavier than electrons

2. Have a positive charge (+)

3. In the nucleus of the atom 

I. Atomic StructureF. Neutrons

1. Large and heavy like protons

2. Have no electrical charge

3. In the nucleus of the atom