What subatomic particles are found in the nucleus?

What condition must be met for a nucleus to remain stable?

Evaluate the impact on the nucleus if the electrostatic force becomes stronger than the nuclear force.

What is the relative charge of an electron?

How would the atomic mass change if the number of neutrons in the nucleus increased?

Calculate the total mass in AMU of an atom with 6 protons, 6 neutrons, and 6 electrons.

Where are protons and neutrons located in an atom?

Which of the following is an example of isotopes?

Uranium-238 is used in nuclear reactors. If its atomic number is 92, how many neutrons does it have?

An atom has 10 protons and 8 electrons. What is the charge of the ion?

What does the atomic number of an element represent?

Why do ions tend to form a noble gas electron configuration?

Which of the following units is NOT used for atomic mass?

Why are atomic masses on the periodic table typically not whole numbers?

Given isotopic masses of 12 AMU, 13 AMU, and 14 AMU with percent abundances of 70%, 20%, and 10%, respectively, calculate the atomic mass of the element.

Which element has the symbol 'Na' derived from its Latin name?

How are elements organized on the periodic table?

Why do elements in the same group of the periodic table share similar chemical properties?

Which classification of elements is known for having both metallic and nonmetallic properties?

What makes silicon an ideal material for use in computer chips?

Why is the 'invisible staircase' significant in the periodic table?

How many periods are currently on the periodic table?

What is the primary reason elements in the same group have similar chemical properties?

Propose a potential impact on the periodic table if a new element with unique properties is discovered.

How are groups 3 to 12 labeled in the periodic table?

How are groups 1, 2, and 13 to 18 labeled in the periodic table?

Which of the following statements correctly contrasts transition metals and representative elements?

Why do solids maintain a fixed shape and volume?

How does the molecular spacing in gases affect their ability to fill a container?

How does the molecular spacing in gases affect their density compared to solids and liquids?

Which subatomic particle is responsible for the chemical properties of an element?

Which of the following statements correctly contrasts Dalton's atomic theory with modern atomic theory?

Why do argon-40 and calcium-40 have the same mass number but are different elements?

What was the primary discovery made from the Rutherford Gold Foil Experiment?

Using the principles of the Gold Foil Experiment, explain why most of the mass of an atom is concentrated in the nucleus.