Mendeleev Proposed the Existence of an Unknown Element That He

question 6

Multiple Choice

Mendeleev proposed the existence of an unknown element that he called eka-aluminum. This element is now called

• A) gallium.
• B) silicon.
• C) magnesium.
• D) boron.
• E) germanium.

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Definitions:

Food And Supplies

Items necessary for the operation of a service, especially in the hospitality and retail industries, including edible products and necessary equipment.

Tenant-Days

A metric used in property management to calculate the total number of days tenants occupy a space within a given period.

Net Operating Income

The income generated from normal business operations after deducting operating expenses but before taxes and interest.

Flexible Budget

A budget that adjusts or flexes with changes in volume or activity levels, helping businesses better plan for costs.