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How are the atomic numbers and the atomic masses of the elements related to how the elements are arranged on peridoic table?
Elements are arranged in a periodic table by atomic number, lower on top and left. Atomic masses have no direct relationship to the arrangement of atoms, although generally atoms with higher atomic numbers will have higher atomic masses. (There are at least three exceptions for atoms with atomic numbers differing by 1.)
What is the significance of the atomic number of an element?
All elements have protons and electrons. All but hydrogen have neutrons. All elements have isotopes which vary in neutrons but have the same amount of protons as the original element. Different elements never have the same amount of protons so scientists gave these elements their "atomic number" based on the amount of protons the element has. atomic number = amount of protons.
What is the relationship between atomic number and density within an element family?
covalent particles between the boron family share the same amount of macro particles and they end up being stable do to the fact that boron does not have a melting or freezing point and remains a liquid.
What is atomic numbers?
Atomic number is the number of protons found in the nucleus of an atom. It determines the identity of an element and is used to organize elements on the periodic table. Each element has a unique atomic number.
The atomic number of an element determines its?
The atomic number of an element determines the number of protons in its nucleus, which in turn determines its chemical identity. Elements with different atomic numbers have different properties due to their unique number of protons.
Who found a relationship between the wavelengths of x-rays and the atomic number of elements?
Henry Moseley found the relationship between the wavelengths of x-rays and the atomic number of elements. He proposed that the atomic number of an element is better defined by the number of protons in the nucleus rather than by its atomic mass.
Who was the Russian chemist show a definite relationship between chemical properties and atomic weights of the elements?
Mendeleev
What is the relationship between the atomic numbers and ionic radii of the elements in the group 3A?
I think that the ionic radii decrease
What is the relationship of the proton number to the elements identity?
The proton number, or atomic number, is the number of protons in an atom's nucleus, and it determines the element's identity. Each element has a unique atomic number, so elements are defined by the number of protons they possess.
What relationship exists between elements and periods according to the periodic law?
The relationship between elements and periods according to the periodic law is that elements are arranged in periods based on their atomic number and properties. Elements in the same period have the same number of electron shells, while elements in the same group have similar chemical properties.
What is the law of traid?
A German chemist Dobernier observed relationship between atomic masses of several groups of three elements called traids.In these groups the central or middle element had atomic mass average to the other two elements.
What is a atomic table?
An atomic table, often referred to as the periodic table of elements, is a tabular arrangement of chemical elements organized by their atomic number, electron configuration, and recurring chemical properties. Each element is represented by its symbol, atomic number, and atomic mass, providing essential information about its identity and behavior. The table is a fundamental tool in chemistry, allowing scientists to understand relationships between elements and predict their chemical reactions.
What is the relationship between an atoms atomic number and one mole of that atom?
There is no general exact relationship, because of the existence of neutrons in the nuclei of almost all elements and the lack of effect of neutrons on atomic number. An atom's gram atomic mass, however, is equal to the mass of one mole of the atoms in question.
What is the biggest jump in atomic weights between consecutive elements?
The biggest jump in atomic weights between consecutive elements occurs between hydrogen (H) and helium (He). Hydrogen has an atomic weight of approximately 1, while helium has an atomic weight of approximately 4. This increase of 3 atomic mass units represents the largest jump between consecutive elements on the periodic table.
Is there a difference between mass and atomic mass when dealing with elements?
Generally the term "atomic mass" is used for isotopes. For elements is preferred now "atomic weight".
Are elements determined by protons?
Yes, it is the atomic number i.e. number of protons that determines an element's identity.
What is the biggest and jump in atomic weights between consecutive elements on the periodic table Give the pair of elements and the difference in their relative atomic weights?
The largest jump in atomic weights between consecutive elements on the periodic table occurs between oxygen (atomic weight ~16.00) and potassium (atomic weight ~39.10), with a difference of approximately 23.10. This significant increase is due to the transition from lighter elements in the second period to heavier elements in the fourth period.
