Atomic Models Development

What is the constitution of matter?

• Matter is composed of atoms and molecules.

• Matter is composed of energy and waves.

• Matter is composed of light and sound.

• Matter is composed of heat and pressure.

Identify and describe models related to the structure of matter.

• Atomic model, Molecular model, Crystal lattice model

• Economic model, Social model, Political model

• Weather model, Climate model, Ocean model

• Mathematical model, Statistical model, Computational model

Compare these models to others proposed throughout the history of scientific discoveries.

• These models are more advanced than historical models.

• These models are less advanced than historical models.

• These models are similar to historical models.

• These models are unrelated to historical models.

Identifique algum ponto incorreto na formulação de Dalton sobre a constituição do átomo.

• Os átomos são indivisíveis e indestrutíveis.

• Todos os átomos de um elemento são idênticos em massa e propriedades.

• Os átomos de diferentes elementos podem se combinar em proporções fixas para formar compostos.

• Os átomos podem ser criados ou destruídos em reações químicas.

Dalton's atomic model explains that atoms are:

• indivisible particles that make up matter

• composed of electrons, protons, and neutrons

• able to be split into smaller parts

• constantly in motion

Thomson's atomic model is often compared to which dessert?

• Chocolate cake

• Plum pudding

• Apple pie

• Ice cream sundae

Rutherford's atomic model describes the atom as having a small, dense nucleus surrounded by orbiting electrons. Which of the following best describes this model?

• A small, dense nucleus with orbiting electrons

• Electrons embedded in a positive sphere

• Atoms as indivisible particles

• Atoms with no internal structure

The Rutherford-Bohr atomic model is a theory that describes the structure of the atom. Which of the following best describes this model?

• Electrons orbit the nucleus in fixed paths called orbits.

• Electrons are embedded in a positively charged sphere.

• Electrons move randomly around the nucleus.

• Electrons are stationary around the nucleus.

What does the video highlight about atomic models?

• The historical development of atomic models

• The mathematical equations of atomic models

• The chemical reactions involving atomic models

• The physical properties of atomic models

Which atomic model was proposed in 1808?

• Thomson

• Rutherford

• Dalton

• Bohr