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Chemical Properties of Lead:
Lead is a moderately active metal. It dissolves slowly in water and in most cold acids. It reacts more rapidly with hot acids. It does not react with oxygen in the air readily and does not burn.
Physical Properties of Lead:
Lead is a heavy, soft, gray solid. It is both ductile and malleable. Ductile means capable of being drawn into thin wires. Malleable means capable of being hammered into thin sheets. It has a shiny surface when first cut, but it slowly tarnishes (rusts) and becomes dull. Lead is easily worked. "Working" a metal means bending, cutting, shaping, pulling, and otherwise changing the shape of the metal.
The melting point of lead is 327.4°C (621.3°F), and its boiling point is 1,750 to 1,755°C (3,180 to 3,190°F). Its density is 11.34 grams per cubic centimeter. Lead does not conduct an electric current, sound, or vibrations very well.
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What are Physical properties of pencil lead?
lead and scratch
Why are the properties of Aluminum always the same while the properties of the lead - glass may vary?
The properties of aluminum are consistent because aluminum is a pure element with a uniform atomic structure. Lead-glass, on the other hand, is a composite material made up of lead and glass, which can vary in composition and texture, leading to different properties. The variations in lead-glass properties stem from differences in the ratios of lead to glass and the manufacturing process.
What are 2 physical properties of pencil lead?
Two physical properties of pencil lead are its gray color and its smooth, solid texture.
How does lead's position in the periodic table relate to its properties?
what is lead's position on the periodic table, and it's chemical properties based on that position
What are some physical properties of the element lead?
lead is a metal, solid, and high in density
Does lead have thermal electrical and magnetic properties?
Yes.
Does zinc contain lead?
No, zinc does not contain lead. Zinc and lead are two different elements with distinct chemical properties.
What is two physical properties of pencil lead?
Two physical properties of pencil lead are its hardness, which is measured on the Mohs scale, and its color, typically ranging from dark grey to black.
Which element has a similar behavior of silicon and lead?
Germanium is an element that exhibits similar behavior to silicon and lead. It shares some properties with silicon, such as being a semiconductor, and also shares some properties with lead, such as being a metalloid.
Why are the mathematical properties significant?
Mathematical properties lead to higher-level thinking, since they illustrate general cases .
What are two physical properties of a pencil lead?
Two physical properties of pencil lead are its hardness, measured using the Mohs scale, and its color, typically either graphite gray or black.
Is the lead 100 percent lead?
No, pure lead is rarely used in manufacturing due to its softness and poor mechanical properties. Instead, lead is typically used as an additive in alloys, such as lead-acid batteries or solder, where it improves certain properties like machinability or conductivity.
