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What can be said about the number of electrons atoms of one element can have?
Atoms of a given element have a specific number of electrons that equals the number of protons in their nucleus, which defines the element's atomic number. For example, carbon has six protons and six electrons. In neutral atoms, the number of electrons matches the number of protons, but ions can have more or fewer electrons due to gaining or losing them. Thus, the number of electrons in an atom of a specific element can vary in ionic forms but remains constant for neutral atoms.
What can be said about the number of electrons atoms of oe element can have?
The number of electrons in an atom of a given element is typically equal to the number of protons, which defines the element's atomic number. This balance of protons and electrons results in a neutral charge for the atom. However, atoms can gain or lose electrons, forming ions, which can have either a positive or negative charge depending on the number of electrons lost or gained.
What can be said about the of neutrons that atoms of one element have?
The number of neutrons in the atoms of a specific element can vary, leading to the formation of isotopes. While all atoms of a given element have the same number of protons (defining the element), the neutron count can differ, affecting the atomic mass and stability of the isotopes. For example, carbon typically has six neutrons, but carbon-14, an isotope of carbon, has eight neutrons. These variations can influence the element's properties and behavior in chemical reactions.
Who said atoms of the same element are exactly a like?
The statement that atoms of the same element are exactly alike is attributed to John Dalton, who proposed the atomic theory in the early 19th century. Dalton's theory posited that all atoms of a given element are identical in mass and properties, which laid the foundation for modern chemistry. However, it is important to note that later discoveries, such as isotopes, revealed that atoms of the same element can differ in mass due to variations in the number of neutrons.
What is the difference between an atom and element?
Atoms are the building blocks of everything; they are made up of neutrons, protons, and electrons (and recently it has been discovered that these 3 things are made of quarks). Each atom is one piece on its own, floating around and attaching to other atoms.An element is a substance that is made up of only one type of atom. Once the atoms cling to each other they form different substances; if only one type of atom (which means that all atoms have the same number of electrons) is combined then it forms an element. If multiple different atoms cling together it forms other substances.Ex) When atoms with only 1 electron gather they form the element HydrogenWhen atoms with 8 electrons gather they form the element OxygenWhen 2 atoms with only 1 electron cling to one atom with 8 electrons, you end up with 2 Hydrogen atoms that have now mixed with 1 oxygen atom which forms the compound H2O or water; this compound (water) is no longer an element.
When an atoms loses an electron it?
The atom is said to be ionized. (It can also be said to be oxidised.)
What can be said about the number of electrons atoms of one element can have?
Atoms of a given element have a specific number of electrons that equals the number of protons in their nucleus, which defines the element's atomic number. For example, carbon has six protons and six electrons. In neutral atoms, the number of electrons matches the number of protons, but ions can have more or fewer electrons due to gaining or losing them. Thus, the number of electrons in an atom of a specific element can vary in ionic forms but remains constant for neutral atoms.
What is the difference between elements and atoms?
An atom is the smallest piece of an element. Said another way, and element is made up one and only one kind of atoms.
What is meant by gain or lose electrons?
The electrons surrounding the nucleus of an atom are in fixed 'layers' - with a defined number of electrons in each 'shell'. Stable atoms have a fixed number of electrons in their outer shell. When two atoms combine (to form a molecule) one electron is 'discarded' and the two atoms share a common electron to keep the molecule stable. The electron that's 'discarded' is said to be 'lost'. The electrons are still present - just 'free-floating'. When two atoms split, they 'grab' a free-floating electron to stabilise the molecule again. This electron is said to have been 'gained'.
What is the meaning of the term isotopes?
An isotope is a form of an element. Isotopes (forms of an element) occur when an atom/s of a single chemical element gains or loses 1 or more neutrons. Eg.. the first isotope "Hydrogen-1" or "Protium" hydrogen has 1 proton in the centre of the atom or nucleus, and 1 electron going around on the outside, isotope two "Hydrogen-2" or "Deuterium" Hydrogen, has 1 proton AND 1 neutron in the nucleus and 1 electron, and isotope three is "Tritium" Hydrogen that has 1 proton, 2 neutrons and 1 electron. The number of protons always stays the same, it's the number of neutrons that determines the form of an element or in other words the isotope.
What subatomic particles can differ between neutral atoms of the same element?
Neutral atoms of the same element can differ in the number of neutrons, which results in different isotopes of the same element. Isotopes have the same number of protons and electrons, but different numbers of neutrons.
What can be said about the number of electrons atoms of oe element can have?
The number of electrons in an atom of a given element is typically equal to the number of protons, which defines the element's atomic number. This balance of protons and electrons results in a neutral charge for the atom. However, atoms can gain or lose electrons, forming ions, which can have either a positive or negative charge depending on the number of electrons lost or gained.
What can be said about the of neutrons that atoms of one element have?
The number of neutrons in the atoms of a specific element can vary, leading to the formation of isotopes. While all atoms of a given element have the same number of protons (defining the element), the neutron count can differ, affecting the atomic mass and stability of the isotopes. For example, carbon typically has six neutrons, but carbon-14, an isotope of carbon, has eight neutrons. These variations can influence the element's properties and behavior in chemical reactions.
What two things can be said about atoms belonging to the same element?
All isotopes of the same element have the same atomic number, so their proton numbers are equal.They are on the same (= 'iso') place or spot (= 'topos') in the periodic table, this is called: iso-topic .
Who said atoms of the same element are exactly a like?
The statement that atoms of the same element are exactly alike is attributed to John Dalton, who proposed the atomic theory in the early 19th century. Dalton's theory posited that all atoms of a given element are identical in mass and properties, which laid the foundation for modern chemistry. However, it is important to note that later discoveries, such as isotopes, revealed that atoms of the same element can differ in mass due to variations in the number of neutrons.
What is the difference between an atom and element?
Atoms are the building blocks of everything; they are made up of neutrons, protons, and electrons (and recently it has been discovered that these 3 things are made of quarks). Each atom is one piece on its own, floating around and attaching to other atoms.An element is a substance that is made up of only one type of atom. Once the atoms cling to each other they form different substances; if only one type of atom (which means that all atoms have the same number of electrons) is combined then it forms an element. If multiple different atoms cling together it forms other substances.Ex) When atoms with only 1 electron gather they form the element HydrogenWhen atoms with 8 electrons gather they form the element OxygenWhen 2 atoms with only 1 electron cling to one atom with 8 electrons, you end up with 2 Hydrogen atoms that have now mixed with 1 oxygen atom which forms the compound H2O or water; this compound (water) is no longer an element.
Who said all elements are made of atoms?
An atom is the smallest unit of any element.
