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What ae the two physical properties of minerals?
what are two physical properties about minerals
IS A pencil a mechanical mixture or a solution or a pure substance?
Pure
What are some properties of covalent crystals?
Covalent crystals are atoms held together in an extensive three-dimensional network entirely by covalent bonds. Two examples are diamond and graphite (pencil lead)
State two physical properties of wood?
Two obvious physical properties of wood are the following: it is a solid, it shrinks and expands with the loss and gain of water.
What are two physical properties of dirt?
Brown and hard
What ae the two physical properties of minerals?
what are two physical properties about minerals
How does the lead get into the pencil?
The pencil is actually assembled around the "lead" (which is actually not lead but is graphite). The pencil has two halves with a groove in each one, and they are sandwiched around the strip of graphite.
Can you get lead poisoning from a number two pencil?
Pencils have never been made from lead. They are made with Graphite, a form of carbon. So you can not get lead poisoning from a pencil.
What are two physical properties that can vary even when the substance with these properties does not change?
i think Buoyancy and Density are two physical properties that can vary even when the substance with these properties doesn't change.
What is the difference between chemical and physical properties?
Physical properties use your senses and chemical properties are when you mix two chemicals together.
What are two physical properties that can that can vary when the substance with these physical properties that dose not change?
Temperature and amount of the substance do not change chemical properties.
IS A pencil a mechanical mixture or a solution or a pure substance?
Pure
What are some properties of covalent crystals?
Covalent crystals are atoms held together in an extensive three-dimensional network entirely by covalent bonds. Two examples are diamond and graphite (pencil lead)
What are the two physical properties that change with temperature?
Density and specific internal energy are two physical properties that change with temperaturea change in temperature.
What are two physical properties of?
warmth and air
State two physical properties of wood?
Two obvious physical properties of wood are the following: it is a solid, it shrinks and expands with the loss and gain of water.
Can you use a mechanical pencil for testing?
Yes ,as long as it has number two lead.
