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How atomic number better than atomic mass?
No two elements may have the same atomic number. But two elements may have same atomic mass. Hence atomic number is better than atomic mass.
Which two elements have an atomic mass less than twice their atomic number?
Hydrogen and oxygen
Do sulfur-36 and argon-36 have the same atomic number?
No, they have the same atomic mass, which is the number of protons plus the number of neutrons. No two elements have the same atomic number.
What element continue to decay until they finally become stable?
All elements above the atomic number of 83 are radioactive, but two elements that are under it are also radioactive. They are technetium (atomic number 43) and promethium (atomic number 61). Radioactive elements are elements that decay until stable. =)
Are the elements listed in order of atomic number or atomic mass?
Atomic number.
How atomic number better than atomic mass?
No two elements may have the same atomic number. But two elements may have same atomic mass. Hence atomic number is better than atomic mass.
What happens where two elements have the same atomic number?
No two different elements can have the same atomic number.
What is the atomic number of hydrogen chloride?
Since hydrogen chloride is not an element but is, instead, formed by two elements, it does not have an atomic number. Only elements have atomic numbers.
What are the two ways that an elements symbol can be represented?
Atomic mass and Atomic number
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.
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.
Which two elements have an atomic mass less than twice their atomic number?
Hydrogen and oxygen
Can the atomic number be multiplied by two then equal the atomic mass?
Not generally. For light elements this relation is often approximately true, but for heavier elements, the gram atomic mass is more than two times the atomic number, as the ratio of neutrons to protons increases with increasing atomic mass.
Do any two elements have the same atomic number?
no that's not possible
Do sulfur-36 and argon-36 have the same atomic number?
No, they have the same atomic mass, which is the number of protons plus the number of neutrons. No two elements have the same atomic number.
What element continue to decay until they finally become stable?
All elements above the atomic number of 83 are radioactive, but two elements that are under it are also radioactive. They are technetium (atomic number 43) and promethium (atomic number 61). Radioactive elements are elements that decay until stable. =)
Does chloroform have a atomic number?
No it does not have. Atomic number i for elements.
