At the Time Dimitri Mendeleev Produced the First Periodic Table

question 31

Multiple Choice

At the time Dimitri Mendeleev produced the first periodic table of the elements, which of the following was not true?

• A) There were a little more than 60 known chemical elements.
• B) Chemists used the concept of atomic mass.
• C) Chemists knew that each element had distinct chemical behaviors.
• D) It was the mid-18th century.
• E) There were one or two new discoveries of chemical elements each year.

Understand the concept of ecosystem service trade-offs and their impact on sustainability and human well-being.

Grasp the importance of sustainable management practices for the conservation of ecosystem services and biodiversity.

Recognize the significance of sunlight in photosynthesis and its role in producing oxygen as an ecosystem service.

Understand the role of oceans in carbon sequestration and their impact on climate change.

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Definitions:

Balance

Consists of mental, physical, emotional, spiritual, and environmental components and is attained when each component reaches a state of equilibrium.

Supination

The rotational movement of the forearm so that the palm faces upwards or forwards.

Ankle Joint

The synovial hinge joint that connects the bones of the leg to the foot, allowing for movement such as flexion and extension.

Transfer Belts

Assistive devices used to aid the movement or transfer of patients with limited mobility from one position or place to another.