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Atoms of a given element all have the same number of protons in their nucleus, which defines the element's atomic number. They may vary in the number of neutrons, leading to different isotopes of the element. However, all atoms of the same element will have the same chemical properties due to their identical electron configurations.
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Which two of Dalton's theory were incorrect?
These affirmations are not valid today:· All atoms of a given element are identical.· A given compound always has the same relative numbers of types of atoms.
What part Dalton atomic theory was later proved to be incorrect?
Today we know that atoms can be destroyed to nuclear reactions but not by chemical reactions.
Which of Dalton's atomic theory is not supported?
Atoms are indivisible and indestructible, and all of the atoms of a given element are identical in mass.
what are the 4 points in Dalton's atomic theory?
daltons atomic postulations stated that: * Elements are made of tiny particles called atoms. * All atoms of a given element are identical. * The atoms of a given element are different from those of any other element; the atoms of different elements can be distinguished from one another by their respective relative weights. * Atoms of one element can combine with atoms of other elements to form chemical compounds; a given compound always has the same relative numbers of types of atoms. * Atoms cannot be created, divided into smaller particles, nor destroyed in the chemical process; a chemical reaction simply changes the way atoms are grouped together.
Does all atoms of a given element are alike in all respects?
No, not all atoms of a given element are alike in all respects. Isotopes are atoms of the same element that have different numbers of neutrons, leading to variations in atomic mass. This means isotopes of the same element may behave slightly differently in certain chemical reactions.
Which two of Dalton's theory were incorrect?
These affirmations are not valid today:· All atoms of a given element are identical.· A given compound always has the same relative numbers of types of atoms.
The nuclei of all atoms of a given element always have the same number of what?
The nuclei of all atoms of a given element always have the same number of protons. This number is unique to each element and is known as the element's atomic number.
Do the nuclei of all atoms of a given element always have the same number of neutrons?
No - different isotopes of an element have different numbers of neutrons. All atoms of an element will have the same number of protons.
Is it true that all the atoms of a given element are different from each other?
No. All atoms of the same element have the same number of protons and, when neutral, the same number of electrons. They can, however, differ in the number of neutrons.
Which of Dalton's atomic theory is not supported?
Atoms are indivisible and indestructible, and all of the atoms of a given element are identical in mass.
What part Dalton atomic theory was later proved to be incorrect?
Today we know that atoms can be destroyed to nuclear reactions but not by chemical reactions.
what are the 4 points in Dalton's atomic theory?
daltons atomic postulations stated that: * Elements are made of tiny particles called atoms. * All atoms of a given element are identical. * The atoms of a given element are different from those of any other element; the atoms of different elements can be distinguished from one another by their respective relative weights. * Atoms of one element can combine with atoms of other elements to form chemical compounds; a given compound always has the same relative numbers of types of atoms. * Atoms cannot be created, divided into smaller particles, nor destroyed in the chemical process; a chemical reaction simply changes the way atoms are grouped together.
Does all atoms of a given element are alike in all respects?
No, not all atoms of a given element are alike in all respects. Isotopes are atoms of the same element that have different numbers of neutrons, leading to variations in atomic mass. This means isotopes of the same element may behave slightly differently in certain chemical reactions.
All atoms of a given element have exactly the same number of which type of subatomic particle?
Protons. All atoms of a given element have the same number of protons in their nucleus, which determines the element's identity.
Which is a property of all atoms?
Which of these is always true of atoms? protons, electrons AND neutrons are always equal in number they are always bonded to another atom they always have a charge they are always neutral in elements
What was Dalton's four proposals or therories?
Elements are made of tiny particles called atomsAll atoms of a given element are identical (Proven wrong)The atoms of a given element are different from any other element (Not completely true)Atoms of one element can combine with atoms of another element to form chemical compounds
What did John Dalton get wrong?
Thse affirmations are not considered valid today:· All atoms of a given element are identical. · A given compound always has the same relative numbers of types of atoms.
