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What else can I help you with?
What properties are not as easy to observe?
Chemical changes are considered unseen because they occur at the atomic level, changing the actual structure of the thing. This is in comparison to a physical change, which is visible.
Is cooking an egg an example of a physical or chemical change?
Getting hotter is physical, getting harder is almost pure chemical.
What is the most important question to ask to determine whether a change is physical or chemical?
did the composition change
In what ways do metals differ from each other?
The chemical and physical properties are very different; for example: color, density, melting point, boiling point, chemical reactivity, hardness, mechanical properties, electrical conductivity, etc.
Is boiling a potato a physical change?
Yes, your changing the texture of the inside from a more harder on to that of a bit more softer.
Are quartz and diamonds the same?
No, quartz and diamonds are not the same. Quartz is a mineral made of silicon and oxygen, while diamonds are made of carbon. Diamonds are harder than quartz and have different physical and chemical properties.
When elements are combined to form compounds do their properties change?
Almost all elements can be combined into compounds, for example water=h20 steel=iron and carbon. Their properties usually change. For example when carbon is added to iron to make steel, it becomes stronger and more durable. Humans use compounds to our advantage, adding various elements to materials to make them water proof, stronger, more flexible, harder e.g
What would happen if you didnt have the periodic table?
Without the periodic table, scientists would have a harder time organizing and understanding the properties of elements. It would be challenging to predict how elements would react with each other and to develop new materials. Progress in chemistry and other fields reliant on the periodic table would be hampered.
What mineral is most like quartz?
The mineral that is most like quartz is chalcedony. Chalcedony is a type of cryptocrystalline quartz that exhibits similar physical and chemical properties to quartz, such as hardness and transparency.
How do physical properties of the parts a of a pencil affect how the pencil is used?
The physical properties of carbon vary widely with the allotropic form.
What has the author John Martin Harder written?
John Martin Harder has written: 'Thermodynamic properties of liquid metals and alloys'
What are characteristic properties of alkaline earth metals?
they are harder than alkali metals
