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If you have 20 neutrons you are going to have somewhere in the vicinity of 20 protons. Potassium has 19 protons, so it must be potassium. Note that although protons and neutrons do not have to match (and don't far more often than not), there is no chance of the element being either Na (11 protons) or Rb (37 protons). After you get past the first couple of elements, it is really rare to find an isotope with a neutron to proton ratio much below 1:1 or much past 1.5:1, and the 1.5:1 ratio you see in really big nuclei.
What else can I help you with?
What is the formula to find the mass number of calcium?
The mass number of an element like calcium is the sum of the number of protons and neutrons in its nucleus. Calcium has 20 protons, so to find the mass number, you would look up the number of neutrons in the periodic table and add that to 20.
What element which has the most abundant isotope which has 20 neutrons?
Potassium I reckon
A member of the alkali metal family whose most stable ion contains 86 electrons?
Oh, dude, you're talking about good ol' radium! It's like the bad boy of the alkali metal family with its 86 electrons in the most stable ion. Just picture it hanging out with its electron crew, causing trouble and being all unstable and stuff.
What is an element with 20 neutrons?
Calcium-40: The atomic number of calcium is 20 and the number of neutrons is always the difference between the atomic mass and the atomic number.
What element has 20 protons 22 neutrons and a plus 2 charge?
if you mean 2 valence electrons then it should be calcium because it is an alkaline earth metal and when you calculate the number of neutrons using the number of protons, 20 the atomic number, and the atomic mass, 40.078..rounded to 40, you get 20 neutrons.
What is an isotope of the element with 20 protons and 20 neutrons?
An isotope of the element with 20 protons and 20 neutrons is calcium-40. Calcium has an atomic number of 20, which means it has 20 protons. The total number of protons and neutrons in calcium-40 is 40 (20 protons + 20 neutrons).
What is the mass number of calcium-41?
Calcium is a metal element. Atomic mass of it is 40.
What alkaline Earth Metal has 20 neutrons?
The only alkaline earth metal that has a stable isotope with 20 neutrons is calcium.
I have 20 neutrons and I am found in your teeth and bones?
Calcium is the answer. Atomic weight 40 - with 20 protons means 20 neutrons. Calcium is a key element in teeth and bones.
What is the element that has 20 neutrons?
Several can. Perhaps you meant to ask which has 20 protons, in which case the answer is calcium. (Calcium is also one of the elements that can have 20 neutrons, but it's not the only one.)
What is the chemical elements represented by the following symbol - K?
The symbol "K" represents the chemical element potassium. It is a soft, silvery-white metal that is highly reactive and commonly found in minerals and salts. Potassium plays a crucial role in various biological processes, including nerve function and muscle contractions.
How many protons electrons and neutrons in the element kalsium?
1) it's spelt Calcium and 2) 20 protons, 20 electrons, 20 neutrons
An atom has an atomic number of 18 and 20 neutrons. what is the element?
Argon-20
What element has 20 neutrons and is foud in teeth and bones?
This element is calcium.
An atom of an element contains 20 protons 20 neutrons and 20 electons This element is?
Calcium: The identity of an element is determined by how many protons each atom of the element has, and calcium is the name of the element with 20 protons per atom.
The Atomic and mass number for calcium?
Calcium is a metal element. Atomic mass of it is 40.
What is the atomic number and the mass number of an element with 20 atomic number and 23 mass number?
The element with atomic number 20 is calcium. The mass number 23 indicates the total number of protons and neutrons in the nucleus of the atom. Since the mass number is 23 and the atomic number is 20, the number of neutrons in this calcium atom would be 3 (23 - 20).
