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What is a unique subtance composed of atoms having the same atomic number?
A element is a unique substance that is composed of atoms having the same atomic number. Energy is the ability to do work.
What is a substance that is composed of atoms having the same atomic number is classified as?
You think probable to diatomic molecules of hydrogen, oxygen, nitrogen and halogens.
What is a unique substance composed of atoms have the same atomic number?
An element is a unique substance composed of atoms with the same atomic number, meaning they have the same number of protons in their nucleus. Each element is distinguished by its atomic number, which determines its position on the periodic table and its chemical properties.
What is a pure substance - all the atoms have the same atomic number or number of protons?
A pure substance in which all the atoms have the same atomic number or number of protons is an element.
Is an element a pure substance made up of two kinds of atoms?
No, an element is a pure substance having a specified atomic number. The atomic number is the number of protons in the nucleus of the atom. There may be isotopes of an element having different numbers of neutrons in the nucleus.
Is a sample composed of atoms only having the same atomic number an isomer?
No. (Element is the word you're looking for.)
Is nickel a pure substance or a mixture?
Nickel is a chemical element, and as such, it is a pure substance.
What element is composed of atoms that all have the same atomic number?
An element is composed of atoms that all have the same atomic number. Each atom of this element has the same number of protons in its nucleus, which determines the element's identity on the periodic table.
What does each different element represents?
an atom with a specific number of electrons { S.L.K ALL DAY} Each element is a pure substance composed of atoms which contain the same number of protons, which is the atomic number. The number of protons and atomic number are unique to each different element.
What do you get if you plus the atomic number and the atomic mass?
a number having no physical meaning.
Are all elements are compounds?
No. Elements are composed of atoms that have the same number of protons (atomic number) in their atomic nuclei. Compounds are composed of two or more elements that are chemically combined.
Are all elements compounds?
No. Elements are composed of atoms that have the same number of protons (atomic number) in their atomic nuclei. Compounds are composed of two or more elements that are chemically combined.
