Atomic Models and Diagrams Quiz

Who proposed the plum pudding model of the atom?

• J.J. Thompson

• Albert Einstein

• Ernest Rutherford

• Niels Bohr

What did Rutherford's model introduce about the structure of an atom?

• Electrons orbiting a dense nucleus

• Atoms as indivisible particles

• Atoms as solid spheres

• Atoms with no internal structure

In the Bohr model, what do electron shells represent?

• Atomic mass

• Chemical bonds

• Energy levels

• Different types of atoms

What is the maximum number of electrons the innermost shell can hold according to the Bohr model?

• 2

• 4

• 8

• 6

What does the octet rule state about atoms?

• Atoms are stable with 8 energy levels

• Atoms are stable with 8 protons

• Atoms are stable with 8 neutrons

• Atoms are stable with 8 electrons in their outer shell

What is the first step in drawing a Bohr diagram?

• Write the element symbol

• Add the electrons

• Draw the nucleus

• Draw the electron shells

How many valence electrons does a Lewis diagram for fluorine show?

• 5

• 7

• 9

• 6

For the element sulfur, how many electrons are in the second shell according to the Bohr model?

• 4

• 2

• 8

• 6

What is the total number of electrons in a magnesium atom?

• 16

• 14

• 12

• 10

Which element has a Bohr diagram with 5 electrons in the second shell?

• Boron

• Oxygen

• Fluorine

• Nitrogen