What is the mass number of a Calcium atom if it has 20 neutrons?
In this video we’ll use the Periodic table and a few simple rules to find the protons, electrons, and neutrons for the element Calcium (Ca). From the Period. Diagram of the nuclear composition, electron configuration, chemical data, and valence orbitals of an atom of calcium-40 (atomic number: 20), the most common isotope of this element. The nucleus consists of 20 protons (red) and 20 neutrons (orange). 20 electrons (white) occupy available electron shells (rings).
1 Answer
Explanation:
First thing first, you need to make sure that you have a clear understanding of what mass number actually is.
As you know, the nucleus of an atom contains protons, which are positively charged particles, and neutrons, which are neutral particles.
An atom's mass number will always tell you how many protons and neutrons its nucleus contains.
Atomic No Of Calcium Hydroxide
Tv paint free download mac. In your case, you know that an atom of calcium,
This means that in order to get its mass number, all you need to know is how many protons are found in its nucleus.
As you know, the number of protons an atom contains in its nucleus is given by that atom's atomic number. A quick look in the periodic table will reveal that calcium has an atomic number equal to
Now, in order for an atom to be an atom of calcium, it Must contain
Therefore, the mass number of this calcium isotope will be
Atomic No Of Calcium Chloride
You are dealing with the calcium-40 isotope,
Atomic No Of Calcium Fluoride
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