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Democritus in 400BC came up with the theory of the atom. His theories were not excepted until the 17th century.
John Dalton then explained the atomic theory of matter:
1. All elements are made of atoms.
2. All atoms of the same element are identical, but differ from any atoms of a different element.
3. Atoms cannot be created or destroyed.
4. Atoms of different elements combine in simple whole number ratios.
5. Atoms can be combined, separated, or rearranged.
What else can I help you with?
How has Dalton's model of the atom changed to todays model of the atom?
Matter is made up of atoms, atoms cannot be divided into smaller pieces, all the atoms of an element are exactly alike, and different elements are made of different kinds of atoms. The nucleus, electrons in the electron cloud is the today's model and the past model is matter divided into smaller pieces.
Do smaller pieces of a solute will not dissolve as quickly as larger pieces?
Smaller pieces of a solute will dissolve more quickly than larger pieces. This is because the surface area of the smaller pieces is greater, allowing for more contact with the solvent and therefore faster dissolution.
What happened when the piece of chalk was broken into pieces what there a change?
When a piece of chalk is broken into pieces, there is a physical change as the chalk is simply being divided into smaller fragments. The chemical composition of the chalk remains the same even though it is now in multiple pieces.
What is the process of dissolving by breaking into smaller pieces is called?
The process of dissolving by breaking into smaller pieces is called dissolution. This is the process through which a solute makes a solution by breaking the solvent.
Is splitting a log with an axe a physical or chemical change?
Splitting a log with an axe is a physical change. The log is being physically divided into smaller pieces, but its fundamental chemical composition remains the same.
Can you continually divide matter into smaller and smaller pieces without ever coming to an end true or false?
False. While matter can be divided into smaller and smaller pieces, there is a fundamental limit to this process. Atoms, which are the basic units of matter, can be further divided into subatomic particles (like protons, neutrons, and electrons), but eventually, you reach elementary particles that cannot be divided further according to current scientific understanding. Thus, there is an endpoint to how small matter can be divided.
Which has larger parts a four-inch square divided into fifths or a four-inch square divided into sixths?
The size of the whole thing doesn't matter. If you cut it into more pieces, then each piece has to be smaller. And if you cut it into fewer pieces, than the pieces are bigger.
How did democritus answer the question could matter be divided into smaller and smaller pieces forever or was there a limit to the a pieces of matter could be divided?
Democritus' response was... There is a limit, if it is to remain in its original form. He concluded that matter can only be divided to its smallest particle... an atom, to retain it's physical characteristic.
Who is the first scientist that breaks or divides an atom into smaller pieces?
james dalton
What fraction is bigger 7 Th's or 4 Th's?
4th's are bigger as something divided into only 4 pieces means the pieces are bigger, compared to something divided into 7 smaller pieces.
What is the physical property for the ability to crush matter into smaller pieces?
Malleability
What is used to divide Earth's history into smaller pieces of time?
Earth's history is divided into eras.
What is larger 750 billionths of a meter or 400 billionths of a meter?
When you divide anything into 750 pieces they will always be smaller than the same thing divided into 400 pieces .... so obviously divided by 400 is BIGGER than divided by 750.
How was the akkaidan empire formed?
The Akkadian empire was formed by Sargon because he divided the empire into 70 smaller pieces
'A large rock is weathered into tiny pieces which add up to the weight of the original rock This demonstrates the conservation of?
This scenario demonstrates the conservation of mass. Weathering breaks down the rock into smaller pieces, but the total mass of the smaller pieces remains equal to the original rock.
Does the mass of an object change when you cut it into pieces?
No, the mass of an object remains the same when it is cut into pieces. Mass is a measure of the amount of matter in an object, so dividing it into smaller pieces does not change the total amount of matter present. Each piece will have a portion of the original mass.
Who divided the roman empire into smaller pieces?
The emperor Diocletian divided the empire into smaller territories in order to make it more manageable.The emperor Diocletian divided the empire into smaller territories in order to make it more manageable.The emperor Diocletian divided the empire into smaller territories in order to make it more manageable.The emperor Diocletian divided the empire into smaller territories in order to make it more manageable.The emperor Diocletian divided the empire into smaller territories in order to make it more manageable.The emperor Diocletian divided the empire into smaller territories in order to make it more manageable.The emperor Diocletian divided the empire into smaller territories in order to make it more manageable.The emperor Diocletian divided the empire into smaller territories in order to make it more manageable.The emperor Diocletian divided the empire into smaller territories in order to make it more manageable.
