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By definition, every atom of a particular element will have the same number of protons. Every atom of hydrogen has one proton, every atom of helium has 2 protons, every atom of iron has 26 protons, and so on. The number of neutrons can vary, giving different isotopes of the same element. The number of electrons can also vary, giving ions of the same element.
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What is hom and het?
Hom means homogeneous. This is when the element is the same throughout. Het means heterogeneous and this means that the content of an element varies or is a mixture of things.
What is a pure substance all the atoms have the same atomic number or number of protons?
Any substance on the periodic table of elements. e.g. Technetium (43), Hydrogen (1), Helium, (2)
First element found?
Here a list with unrecorded/recorded element throughout history: http://en.wikipedia.org/wiki/Discovery_of_the_chemical_elements
Are tin and antimony in the same element group?
are tin and antimony in the same element group
Atom of a particular element has a unique and characteristic number of these particles?
Each element has a unique number of protons. If another atom has the same number of protons as that element, it is the same element.
Have same size and shape of the atoms throughout?
An isotope of an element.
What term is used to identify a mixture that has the same composition throughout?
Element
Who have the same size and shape of the atoms throughout?
I think you mean what has the ... A pure isotope of an element.
What is hom and het?
Hom means homogeneous. This is when the element is the same throughout. Het means heterogeneous and this means that the content of an element varies or is a mixture of things.
As a sample of a radioactive element decays its half-life?
No, the half life remains exactly the same throughout
A what usually does not change and remains the same throughout a story?
A theme is an element that typically does not change and remains consistent throughout a story. Themes are central ideas or messages that the author conveys to the reader.
What elements are in non polar compounds?
Non metals only. Can be a compound of a same element throughout like S8 or a compound of C and H2
Substance that does not appear to be the same throughout?
what is a substance that does not appear to be the same throughout
Do atom of the same element have same weight?
No, isotopes of the same element are of different weight.
What is a pure substance all the atoms have the same atomic number or number of protons?
Any substance on the periodic table of elements. e.g. Technetium (43), Hydrogen (1), Helium, (2)
Are atoms of the same element familiar?
yes because the atoms in the specific element have the same properties as that element. :D
How do you know if you have the same element?
Restate the question: it makes no sense; same element as what?
