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What particles are never present in an atom?
Particles that are never present in an atom include free electrons (outside the nucleus), neutrinos, and positrons. These particles do not form part of the structure of the atom itself.
Who first invented the concept of the atom?
The concept of the atom can be traced back to ancient Greek philosophers such as Democritus and Leucippus in the 5th century BC. They proposed the idea that all matter is made up of tiny indivisible particles called atoms.
Which subatomic particle is not present in an ordinary hydrogen atom?
The isotope hydrogen-1 don't contain neutrons.
How many protons are present in an atom with an atomic number of 20?
An atom with an atomic number of 20 has 20 protons.
In a concept map of the atom which term would appear closer to the top of the mapa mass number or neutron?
Neutron would typically appear closer to the top of the concept map as it is a fundamental particle found within the nucleus of an atom. The mass number, on the other hand, is the total number of protons and neutrons in an atom's nucleus and is usually located lower down in the hierarchy of the concept map.
How did Rutherford's work help form the present day model of the atom?
The atomic model of Rutherford was a step in the historical development of the today concept of an atom.
How did Rutherfords work help form the present day model of a atom?
The atomic model of Rutherford was a step in the historical development of the today concept of an atom.
What atom is present in acids?
This atom is hydrogen.
The concept developed by Democritus was the?
The Atom.
Why is atom energy called atomic energy?
because it is from an atom. think about it atom-ic. not that hard of a concept
What are present in atom?
atoms
Can atoms break into pieces?
Yes, an atom can break or split. This is the concept behind the atom bomb.
How many numbers of atom are present in one gram of oxygen?
how many numbers of atom are present in one gram of oxygen
What is an Atom's Atomic number?
it shows how many protons are present in an atom
What is the concept of the Lewis model of the atom?
The Lewis structure of an atom gives a clear illustration of the valence electrons.
Why is atomic energy called atomic energy?
because it is from an atom. think about it atom-ic. not that hard of a concept
How many chlorine atoms are present for every atom in a hydrogen chloride molecule?
There is 1 hydrogen atom and 1 chlorine atom in Hydrogen Chloride.
