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Atomic Mass is the sum of the number of protons and neutrons in the nucleus. The reason it is typically found in decimal form is because it is using the average number of neutrons, from all the different isotopes of that element.
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What is an atomic mass number?
Atomic mass and atomic number are two different things. Atomic mass is the mass of an atom compared to that of hydrogen. The atomic number is the atom's position in the periodic table. It's also the number of protons it has.
Which two particles does the atomic mass number represent?
The atomic mass number represents the total number of protons and neutrons in an atom's nucleus. It does not include the electrons because their mass is negligible compared to protons and neutrons.
What are two things added together to get atomic mass?
Number of protons PLUS number of neutrons.
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 two things represented in an element's chemical symbol?
An element's chemical symbol represents its name (using either one or two letters) and its atomic number (the number of protons in its nucleus).
What are the 2 numbers represent for each element in the periodic table represent?
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What is an atomic mass number?
Atomic mass and atomic number are two different things. Atomic mass is the mass of an atom compared to that of hydrogen. The atomic number is the atom's position in the periodic table. It's also the number of protons it has.
Which two particles does the atomic mass number represent?
The atomic mass number represents the total number of protons and neutrons in an atom's nucleus. It does not include the electrons because their mass is negligible compared to protons and neutrons.
What are two things added together to get atomic mass?
Number of protons PLUS number of neutrons.
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 two things represented in an element's chemical symbol?
An element's chemical symbol represents its name (using either one or two letters) and its atomic number (the number of protons in its nucleus).
The sum of Which two things is the atomic number in an element?
It is not the sum of two things, but only the number of protons found in the nucleus of the atom. The atomic mass is the total number of neutrons and protons in the nucleus.
What element has an atomic mass of 4.0?
The element with an atomic mass of 4.0 is helium. Helium has an atomic number of 2, which means it has two protons in its nucleus. It also has two neutrons, giving it an atomic mass of 4.0.
What is lithium atomic mass?
Naturally occurring lithium contains two isotopes. The common one has an atomic mass of 7. About one per cent of the lithium has an atomic mass of 6.The atomic mass of Lithium-Li is 6.941 grams.
What would you expect the atomic mass of a helium atom to be Explain your answer?
The atomic mass of a helium atom is approximately 4 atomic mass units (amu). This value reflects the combined mass of its two protons and two neutrons, as helium has two protons in its nucleus and typically two neutrons. The mass of electrons is negligible compared to that of protons and neutrons, so it does not significantly affect the atomic mass. Thus, the expected atomic mass aligns closely with the sum of the nucleons in the helium nucleus.
Nonmetallic and an atomic mass of thirty two?
Sulfur is a non-metal with an atomic mass of 32 amu
What two elements have an atomic mass of 1?
only one element (hydrogen) has the atomic mass of 1.
