Neon is a non meta element. Atomic mass of it is 20.
Atomic mass of an element measures the mass of that element on a molecular scale, taking into account neutrons and protons, which weigh approximately 1. Electrons are negated. Atomic mass is also the mass, in grams, of 1 mole of that element.
Nitrogen, element 7, has an atomic mass of 14.0067, rounded to 14.007.
Mercury has an atomic mass of 200.
Vanadium is the element that has an atomic weight of 50.942.
Atomic number = Number of protons = 35 - 18 = 17.So the element is chlorine.
The atomic number of am element is determined by its number of either electrons or protons, hence here, it is 18. Therefore the element must be argon which the isotope has mass number 38, as there are 18 protons and 20 neutrons.
Argon
Argon is a non metal element. Atomic Mass of it is 40.
Magnesium is a meta element. Atomic mass of it is 24.
(Symbol Ar) / Atomic weight 39.948
Element A has a greater atomic mass than element B if the atomic mass value of A is higher. The atomic mass represents the average mass of an element’s isotopes based on their abundance in nature.
The element is Iodine (I). It has an atomic mass of about 126.9.
The element with the highest atomic mass is Oganesson.
No stable isotope of an element has mass no 18, although unstable isotopes of fluorine and oxygen have mass no 18, 8O18 and 9F18
the element that has an atomic mass of 16.00 is sulfer.
The element with atomic mass 131 is Iodine (I)