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What can the atomic number and what things can it identify?
The atomic number is the number of protons in the nucleus of an element. It is what determines what kind of an element it is. When you change the number of protons in the nucleus, you change the type of element.
What happens when the number of protons in an atom change?
When the number of protons in an atom changes, the identity of the element changes because the number of protons determines the element's atomic number. If the number of protons changes, the atom becomes a different element. This process is called nuclear fusion or fission.
Every what has its own kind of atom?
Every element has its own kind of atom, identifiable from atoms of another element by its number of protons.
What kind of atom has 79 protons in its nucleus?
An atom's atomic number gives its number of protons in its nucleus. Checking the periodic table, we see that gold's atomic number is 79. Thus, gold is the element with 79 protons.
Do electrons determine what kind of element an atom is?
Yes, the number of electrons in an atom determines its chemical properties and therefore what kind of element it is. The arrangement of electrons in an atom's energy levels is responsible for the element's characteristics such as reactivity and bonding behavior.
Which part of an atom helps describe the property of the atom and determines what kind of element it is?
Protons (the number of ..) determine the 'kind' of element,and the electrons in the outmost valency orbital determine the properties(the number of electron; and 'octet' rule: "make it eight preferably').
What Atomic particle controls its reactivity?
The number of protons in the nucleus will ALWAYS be the same for a specific element.(ex: Hydrogen always has EXACTLY 1 proton)But, the number of electons and neutrons can vary in a particular element.
Why is the atomic number important?
The atomic number is the number of protons found in one atom of the given element. It is very important for many reasons. Firstly, the element itself depends on the number of protons (If you changed the number protons, then the element would change as well). Secondly, you can discover the amount of electrons using the atomic number (there are the same number of electrons in an element as the number protons, or the atomic number).
What kind of particle have a unequal number of protons and neutrons?
An isotope is a particle that has an unequal number of protons and neutrons. Isotopes of an element have the same number of protons but different numbers of neutrons. These variations in the number of neutrons result in different atomic masses for isotopes of the same element.
Atoms that are the same kind is called?
Isotopes - atoms with the same atomic number, number of protons and number of electrons
Substance made of only one kind of atom?
An element is a substance made of only one kind of atom. Each element has a unique atomic number, which represents the number of protons in its nucleus. Examples of elements include oxygen, gold, and carbon.
An element is made up of only one kind of what?
Each element is made up of one kind of atom. Every element is made up of electrons (negative), protons (positive) and neutrons (neutral). Only protons and neutrons have mass. Electrons orbit the nucleus which contains protons and neutrons.
