Atomic Structure I Slides

Multiple Choice

Which of the following is NOT a subatomic particle found in atoms?

• Proton

• Neutron

• Electron

• Molecule

Open Ended

Why is it important to understand the structure of atoms in the study of chemistry?

Multiple Select

Which of the following statements are true about the nucleus of an atom?

• It contains protons and neutrons.

• It is negatively charged.

• It contains almost all of the atom's mass.

• It contains electrons.

Open Ended

Compare the location and mass of protons, neutrons, and electrons within an atom.

Multiple Choice

Which subatomic particle is responsible for the identity of an element?

• Electron

• Proton

• Neutron

• Isotope

Drag and Drop

Atoms are neutral when the number of protons is equal to the number of ___ .

Placeholder

Drag these tiles and drop them in the correct blank above

electrons

protons

neutrons

octogons

Multiple Choice

What is the number of protons in a magnesium atom ?

• 12

• 24

• 8

Multiple Choice

What is the number of electrons in a chlorine atom?

• 35

• 11

• 17

Multiple Choice

How many Neutrons are present in a sodium atom ?

• 12

• 11

• 23

Open Ended

Explain the difference between hyphen notation and nuclear symbol notation for representing atoms. Provide an example of each.

Multiple Choice

Which of the following correctly describes the relationship between mass number, atomic number, and the number of neutrons in an atom?

• Mass number = atomic number + number of neutrons

• Atomic number = mass number + number of neutrons

Multiple Select

Which of the following are included in the information provided by a periodic table notation for an element?

• Atomic number

• Element symbol

• Average atomic mass

• Number of neutrons

Multiple Choice

What are the three main subatomic particles that make up an atom?

• Protons, neutrons, and electrons

• Protons, neutrons, and photons

• Electrons, positrons, and neutrons

• Protons, electrons, and positrons

Open Ended

How do the regions of subatomic particles and their properties help us understand the structure of atoms?