Table of Contents: 1  INTRODUCTION, DEFINITION & VALUE OF RESEARCH. 2  SCIENTIFIC METHOD OF RESEARCH & ITS SPECIAL FEATURES. 3  CLASSIFICATION OF RESEARCH:Goals of Exploratory Research. 4  THEORY AND RESEARCH:Concepts, Propositions, Role of Theory. 5  CONCEPTS:Concepts are an Abstraction of Reality, Sources of Concepts.
Lead poisoning is a serious and sometimes fatal condition. It occurs when lead builds up in the body. Lead is a highly toxic metal and a very strong poison. It is found in lead-based paints, including paint on the walls of old houses and toys.
The element lead has 82 protons and 82 electrons. It's element number 82 and has a molar mass of 207 moles/gram. Leadâs atomic symbol is Pb. Lead is in group 14 in the carbon group on the periodic table. It's a soft and malleable heavy metal that's naturally gray in color. Lead has many uses and is most often found in building construction sites, lead batteries, bullets, weights and radiation shields. Lead should never be ingested by humans or animals for fear of lead poisoning.