The Element Is the Most Similar to Strontium in Chemical

question 70

Multiple Choice

The element is the most similar to strontium in chemical and physical properties.

• A) Li
• B) Cs
• C) At
• D) Ba
• E) Rb

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Definitions:

Guard Cells

Specialized cell pairs in plant leaves that control the opening and closing of stomata to regulate gas exchange and water loss.

Parenchyma

The functional tissues in an organ or plant, made up of cells that perform the specific function of that organ or structure.

Sieve-Tube Member

A type of elongated cell in the phloem of flowering plants, responsible for the transport of nutrients, particularly sucrose, throughout the plant.

Cuticle

In plants, a waxy layer covering the epidermis of plants, that protects the plant against water loss and disease-causing organisms. In animals, an outer covering that protects and supports the organism.