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What is it called when they have same atomic number but different mass?
They are called isotopes of the same element
What is a number written below an element or atom called?
The number written below an element or atom is called its atomic mass. It represents the average mass of the element or atom, taking into account the different isotopes and their relative abundance.
What are atoms that have different masses but the number of protons?
Atoms that have different masses but the same number of protons are called isotopes. Isotopes of an element have the same number of protons, which determines the element's identity, but a different number of neutrons, leading to variations in atomic mass.
What are different types of the same element called?
If an atom of the same element has the same number of protons but a different number of neutrons, then they are isotopes.
Do both isotopes have the same mass number?
An Isotope of an element is an atom that has the same number of protons, (number of protons is the defining feature of an element) but different number of neutrons.Because The mass number is the sum of protons and neutrons, different isotopes have different mass numbers.
What is it called when they have same atomic number but different mass?
They are called isotopes of the same element
What is a number written below an element or atom called?
The number written below an element or atom is called its atomic mass. It represents the average mass of the element or atom, taking into account the different isotopes and their relative abundance.
What are atoms that have different masses but the number of protons?
Atoms that have different masses but the same number of protons are called isotopes. Isotopes of an element have the same number of protons, which determines the element's identity, but a different number of neutrons, leading to variations in atomic mass.
Why do isotopes of an element have the same atomic number but different mass numbers?
An element's atomic number refers to the number of protons in its nucleus, and this number never varies - an atom with a different number of protons becomes a different element; i.e. an element with one proton is called hydrogen, an element with 2 protons is helium, 3 protons means it's lithium etc). Usually there are the same number of neutrons as there are protons, but this number can vary, and when an element doesn't have the standard number of neutrons it's called an isotope. The mass number of an element is the sum of the number of protons plusneutrons, which is why this number can is different for different isotopes.
What are isotopes and their differences?
Atoms of same element with same atomic number,which have different mass number is called isotops.
What are different types of the same element called?
If an atom of the same element has the same number of protons but a different number of neutrons, then they are isotopes.
Do both isotopes have the same mass number?
An Isotope of an element is an atom that has the same number of protons, (number of protons is the defining feature of an element) but different number of neutrons.Because The mass number is the sum of protons and neutrons, different isotopes have different mass numbers.
What is the term for atoms of two atoms of the same element with different molecular mass?
They are called isotopes. They differ in molecular mass due to the different number of neutrons.
When an element have different atomic number and the same mass number what is it called?
Do you mean same atomic number and different mass numbers? If so then these are known as ISOTOPES. All atoms of any given element will have the same atomic number (number of protons in the nucleus) as this is what makes the element what it is. It is the number of neutrons in the nucleus which varies and hence the mass number (the number of protons plus the number of neutrons). For eg Carbon has three ISOTOPES - carbon-12, carbon-13 and carbon-14. They all have atomic number of 6 (6 protons in their nucleii) but have different numbers of neutrons (6, 7 or 8 respectively) and therefore different mass numbers.
What do you call atoms of the same element with different atomic masses?
They are called isotopes. They have different mass nmbers because they have a different number of neutrons.
Why do two isotopes of an element have the same atomic number but differnent mass number?
Because the atomic number is the number of protons in an element. If you change the atomic number you will have a completely different element. The mass number changes because the number of neutrons is different.
What is it called when atoms of the same element that have a different atomic weight?
Atoms with the same atomic number (number of protons), but different mass numbers (i.e. different mass) are called isotopes. The difference in mass is due to different numbers of neutrons. For more info: http://en.wikipedia.org/wiki/Isotope
