G8- L1 Atomic Theory Quiz

Which of the following particles found in an atom have charges?

• protons and electrons

• electrons and neutrons

• only electrons

• only protons

An element’s atomic number is equal to

• The number of protons and neutrons in its nucleus

• the number of protons and electrons in its nucleus

• the number of neutrons in its nucleus

• the number of protons in its nucleus

What is an Atom?

• A compound of any element

• The smallest particle of any element

• A molecule of any element

• A large particle of any element

How can scientists experiment on atoms to better understand their properties?

• By tasting them

• By modeling them

• By smelling them

• By observing them directly

Which model believed atoms were like a billiard ball and couldn't be broken down into small parts?

• The Thomson Model

• The Rutherford Model

• The Dalton Model

• The Bohr Model

What is the most accurate but hardest to understand model of an atom?

• The Cloud Model

• The Rutherford Model

• The Thomson Model

• The Dalton Model

What is the charge of protons in an atom?

• +2

• 0

• -1

• +1

What is the charge of electrons in an atom?

• +2

• 0

• -1

• +1

What makes up almost all the mass of an atom?

• Only protons

• Protons and electrons

• Protons and neutrons

• Neutrons and electrons

What is the charge of neutrons in an atom?

• +2

• 0

• -1

• +1