Atomic Structure Guided Lesson

Multiple Choice

Two like charges:

•  neutralize each other.
• repel each other. 
• must be neutrons. 
• attract each other.

Multiple Choice

The charge of an electron is:

• Positive. 
• Negative. 
• Electrons have no charge

Multiple Choice

An object that is positively charged contains more protons than electrons.

• True
• False
• I need more information

Multiple Choice

An object that has more electrons than protons would have what kind of charge?

• Positive
• Negative

Multiple Choice

What types of charges attract?

• Positive and Positive
• Positive and Neutral
• Negative and Neutral
• Positive and Negative

Multiple Choice

If the two charges represented in the figure were brought near each other, they would

• attract each other.
• repel each other.
• cause static discharge.
• have no affect on each other

Multiple Choice

What will happen when these magnets are brought close together?

• They will attract each other.
• They will repel each other.
• Both magnets will turn to the left
• Both magnets will turn to the right

Atomic Structure

Match

Match the Following

• Element

• Atom

• Nucleus

• Proton

• Neutron

A substance that cannot be broken down into simpler substances by chemical means.

The smallest unit of an element that keeps the element’s chemical properties.

The dense center of an atom containing protons and neutrons.

Positively charged particles found in the nucleus of an atom.

Particles with a neutral charge found in the nucleus of an atom.

• A substance that cannot be broken down into simpler substances by chemical means.

• The smallest unit of an element that keeps the element’s chemical properties.

• The dense center of an atom containing protons and neutrons.

• Positively charged particles found in the nucleus of an atom.

• Particles with a neutral charge found in the nucleus of an atom.

Match

Match the following

• Periodic Table

• Family/Group

• Period

• Atomic Mass/Mass Number

• Metal

All known elements arranged in order by atomic number.

Vertical columns of elements that have the same amount of valence electrons.

Horizontal rows of elements that have the same number of electron shells. 

The average number of protons and neutrons in one atom of an element.

Elements that are malleable, ductile, and good conductors; typically shiny.

• All known elements arranged in order by atomic number.

• Vertical columns of elements that have the same amount of valence electrons.

• Horizontal rows of elements that have the same number of electron shells. 

• The average number of protons and neutrons in one atom of an element.

• Elements that are malleable, ductile, and good conductors; typically shiny.

Labelling

Label the 2 main parts of this Bohr's Model of Neon.

Drag labels to their correct position on the image

electron cloud

nucleus

Labelling

Label the parts of this Bohr's Model of carbon.

Drag labels to their correct position on the image

Electron

Neutron

Nucleus

Proton

Electron Cloud

​Check your work.

​3 negatively charged electrons outside the nucleus in the electron cloud.

3 positively charged protons in the nucleus at the center of the atom.

4 uncharged neutrons in the nucleus at the center of the atom.

Multiple Choice

Which letter represents an electron?

• A
• B
• C
• D

Multiple Choice

Which letter represents the nucleus?

• A
• B
• D
• E

Multiple Choice

The mass of one proton is greater than the mass of one...

• neutron
• electron

Match

Match the Following

• Element

• Atom

• Nucleus

• Proton

• Neutron

A substance that cannot be broken down into simpler substances by chemical means.

The smallest unit of an element that keeps the element’s chemical properties.

The dense center of an atom containing protons and neutrons.

Positively charged particles found in the nucleus of an atom.

Particles with a neutral charge found in the nucleus of an atom.

• A substance that cannot be broken down into simpler substances by chemical means.

• The smallest unit of an element that keeps the element’s chemical properties.

• The dense center of an atom containing protons and neutrons.

• Positively charged particles found in the nucleus of an atom.

• Particles with a neutral charge found in the nucleus of an atom.

Multiple Choice

Do electrons contribute to the atomic mass of an atom?

• YES they have the same mass as protons and neutrons

• NO, everyone knows electrons are rigged

• No, their mass is too small to contribute to the mass

Match

Match the following

• Electron

• Electron Shell

• Valence Electron

• Compound

• Molecule

A negatively charged subatomic particle located around the nucleus of an atom.

Areas around the nucleus filled with electrons. 

The electrons filling the outermost shell; react with other atoms.

A substance formed from two or more atoms chemically united in fixed proportions.

A group of atoms held together by chemical forces.

• A negatively charged subatomic particle located around the nucleus of an atom.

• Areas around the nucleus filled with electrons. 

• The electrons filling the outermost shell; react with other atoms.

• A substance formed from two or more atoms chemically united in fixed proportions.

• A group of atoms held together by chemical forces.

Poll

How comfortable to you feel in your understanding of atomic structure after this lesson?

• Very comfortable. I could pass the test today.

• Pretty comfortable, but I could use some more practice.

• Ok. I need some more study and practice.

• Not good. I am completely lost with this topic.