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What is an atom of potassium's atomic number and mass number?
The atomic number of potassium is 19.The atomic weight of potassium is 39,0983(1).The mass number of the isotope potassium-39 is 39.
The mass of one atom of potassium is?
The mass of one atom of potassium is approximately 39.10 atomic mass units (u).
What is 39 in potassium?
39 is the atomic mass of one atom of potassium. This is essentially the weight of one atom
What is the atomic mass of potassium?
The atomic mass of potassium is approximately 39.10 atomic mass units.
An atom with an atomic number of 9 and a mass number of 19 would have an atomic mass of what?
To find the atomic mass, subtract the atomic number (protons) from the mass number (protons + neutrons). Atomic mass = Mass number - Atomic number Atomic mass = 19 - 9 Atomic mass = 10amu So, an atom with an atomic number of 9 and a mass number of 19 would have an atomic mass of 10 atomic mass units (amu).
What is the mass number of an atom with 19 protons and 20 neutrons?
The element is potassium. Atomic mass is 38.
What is the mass number and symbol of an atom that contains 19 protons 19 electrons and 20 neutrons?
The mass number is always the sum of the numbers of protons and neutrons and therefore is 39 in this instance. The atomic number of 19 shows that the atom is of the element potassium, and its symbol is 39K.
What is the mass number for patasium?
Potassium is a metal element. Atomic mass of it is 30.
An atoms of potassium has atomic mass of 39 amu and an atomic number it therefore has neutrons in its nulces?
An atom of potassium with an atomic number of 19 has 20 neutrons in its nucleus. This can be determined by subtracting the atomic number from the atomic mass (39 - 19 = 20).
Which has a greater atomic mass potassium or francium?
Francium has a greater atomic mass than potassium. Francium has an atomic mass of around 223 u while potassium has an atomic mass of around 39 u.
An atom of Potassium has a mass number of 40 and an atomic number of 19.how many protons does it have?
The atomic number is the number of protons: 19.number of neutrons = mass number - atomic number = 21.The number of electrons is normally the same as the number of protons: 19
Potassium atomic mass?
the atomic mass of potassium is approximately 39
