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What is the sum of the number of protons and the number nuetrons in an atom?
mass number
How many nuetrons are in an atom of magnesium?
there are 12 nuetrons in an atom of magnesium
How many electrons does an atom potassium havew?
Finding the number of electrons in an atom is easy. You just have to know the atomic number of the element. The atomic number for Potassium is 19. That means Potassium has 19 electrons.
What is an atom the has a different number of nuetrons than other atoms of the same element?
An isotope.
The sum of the numberof protons and nuetrons in the nucleus of an atom?
The sum of the number of the protons and neutrons in the nucleus of an atom is called as atomic mass.
What is the number of nuetrons in potassium?
20
What is the sum of the number of protons and the number nuetrons in an atom?
mass number
What is the total number of protons and neutron's in an atom called?
mass number = protons + nuetrons
What is the sum number of protons and nuetrons in the nucleas of a atom?
The Mass Number.
How do you determine the number of nuetrons in an atom?
Number of Neutrons = Mass number - Atomic Number
A form of an atom which has a changed number of nuetrons i call what?
Isotope.
How many nuetrons are in an atom of magnesium?
there are 12 nuetrons in an atom of magnesium
What is the total number protons and neutrons in an atom called?
mass number = protons + nuetrons
What is the total number of nuetrons in an atom of iron-57?
In iron, there are 30 neutrons.
How do you find the atomic mass number of an atom of an element?
add the number of protons and nuetrons together
What is the atomic number for potassium atom?
Only elements have a particular (unique) atomic number. Potassium (K) has 19 and chlorine (Cl) has 17 as atomic number (= proton number)
How many electrons does an atom potassium havew?
Finding the number of electrons in an atom is easy. You just have to know the atomic number of the element. The atomic number for Potassium is 19. That means Potassium has 19 electrons.
