Atomic structure

Multiple Choice

Why is the periodic table considered one of the most important tools in chemistry?

• Because it organizes elements by their properties and atomic number

• Because it is colorful and easy to memorize

• Because it lists all known compounds

• Because it is used only in physics

Multiple Choice

What are the 3 particles that make-up the atom?

• Protons, neutrons, and isotopes
• Neutrons, isotopes, and electrons
• Positives, negatives, and electrons
• Protons, neutrons, and electrons

Multiple Choice

What subatomic particles would you find in the nucleus of an atom?

• Protons only

• Protons and Neutrons

• Neutrons and Electrons

• Protons and Electrons

Multiple Choice

Complete the missing label on the diagram.

• Neutron
• Centre
• Nucleus
• Sub atomic particle

Labelling

Label the correct subatomic particles

Drag labels to their correct position on the image

neutron

electron

proton

Multiple Choice

Which of the following best describes an element?

• Matter composed of one type of atom

• A mixture of different atoms

• A molecule made of two atoms

• A substance with no atoms

Drag and Drop

What subatomic particles are coloured green in this image?

Placeholder

Drag these tiles and drop them in the correct blank above

electrons

protons

neutrons

Multiple Choice

Subatomic particles with a negative charge

• Electrons

• Neutrons

• Protons

• Quarks

Multiple Choice

Subatomic particles with a positive charge

• neutrons
• atomic mass
• protons
• isotopes

Multiple Choice

Subatomic particles that are neutral in charge

• Neutrons
• Protons
• Nucleus 
• Electrons

Multiple Choice

Which of the following statements about energy levels in atoms is correct?

• The first energy level can hold up to 2 electrons.

• The second energy level can hold up to 18 electrons.

• The third energy level can hold up to 8 electrons.

• The fourth energy level can hold up to 8 electrons.

Multiple Choice

Which of the following particles are considered the basic building blocks of matter according to scientists, despite the existence of smaller particles?

• Atoms

• Quarks

• Protons

• Electrons

Open Ended

How can you determine the number of neutrons in an atom if you know its mass number and atomic number?

Open Ended

Explain how the average atomic mass of an element is determined using its isotopes.

Multiple Choice

Which of the following statements best describes isotopes?

• Atoms of the same element with different numbers of neutrons

• Atoms of different elements with the same number of protons

• Atoms of the same element with the same number of neutrons

• Atoms of different elements with different numbers of electrons

Multiple Select

Which of the following information can you determine from the periodic table?

• Atomic number of an element

• Number of protons in an atom

• Average atomic mass of an element

• Number of isotopes of an element

Multiple Choice

What do all elements in the same group of the periodic table have in common?

• Same number of electrons in their outer energy level

• Same atomic number

• Same number of protons and neutrons

• Same mass number

Open Ended

Describe the difference between a group and a period in the periodic table.

Multiple Choice

Which element shown in the electron dot diagrams has a full outer energy level?

• Oxygen (O)

• Neon (Ne)

• Aluminum (Al)

• Helium (He)

Open Ended

Explain why alkali metals are not found in nature in their elemental form.

Multiple Select

Which of the following are characteristics of nonmetals?

• Usually gases or brittle solids at room temperature

• Good conductors of heat and electricity

• Located to the left of the stair step

• Form ionic and covalent compounds

Open Ended

Compare the properties of metals, nonmetals, and metalloids using information from the slides.

Open Ended

How does understanding atomic structure help you make sense of the periodic table?

Open Ended

What is one question you still have about atoms or the periodic table after today's lesson?