Chapter 11, Problem 24Q

Interpretation Introduction

Interpretation:

The nutritional significance of the shaded elements in the given periodic table has to be explained.

Concept introduction:

Minerals:

• • They are required for the proper functioning of enzymes, since these elements are used as cofactors.
• • They are a group of micronutrients in which some are transition group elements.
• • Divided into macrominerals and microminerals.
• • Macrominerals are the minerals with required daily amounts greater than $\text{100}\text{mg}\text{per}\text{day}$ and microminerals are minerals which are required in lesser quantities.
• • Calcium, phosphorus, potassium are sodium are considered as macrominerals.
• • Magnesium, selenium, copper, chromium, manganese, molybdenum and zinc are considered as microminerals.