Nitrogen has a diatomic molecule (N2).
SiF4 is a polar covalent compound
ammonium sulfate is a compound not an element and therefore has no atomic number. Perhaps you were thinking of molecular weight. But that is a totally different concept.
Yes iodine is an element. It has a reserved place in the periodic table with an atomic number 53. This means the number of protons within the nucleus of iodine will be 53. This is usually not in atomic state. It will be in diatomic ie molecular state.
As a metal it is atomic.
Xenon (Xe) can be found on the periodic table in the far right column (Noble Gases) and is thus an element, not a molecule.
atomic
oxygen is an element not a molecular compound as a molecular compounds are chemically combined and are of more then one element.
No. It is a Atomic element because it exist in nature with single atoms as their basic unit.
SiF4 is a polar covalent compound
Sulfur is a chemical element.
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.
Aluminum is a metallic element. It doesn't form molecules. Its atomic mass is 27u.
Atoms with the same atomic number are all atoms of the same element. However, if the atoms have different molecular weights, they are isotopes of the same element.
ammonium sulfate is a compound not an element and therefore has no atomic number. Perhaps you were thinking of molecular weight. But that is a totally different concept.
For these conversions, you need the atomic masses of the elements involved in grams. If it is just one element, then you use the atomic mass, but if its a compound, then use the molecular mass (added atomic masses). Take the number of moles and multiply it by the atomic (molecular) mass to get number of grams.
1. The molecular mass of a compound is the sum oh the atomic weights of the elements contained in the molecule of this compound. 2. The atomic number of an element is the number of this element in the Periodic Table of Mendeleev; the atomic number is equal to number of protons and electrons.
Manganese is a metal element. Atomic mass of it is 55.