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What can be said about the number of electrons atom of one element can have?
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What can be said of the number of electrons of the one element can have?
A neutral atom of an element will have the same number of electrons as protons (atomic number). For example, the element magnesium has the atomic number 12, which means that a neutral magnesium atom will have 12 protons and 12 electrons.
What is the number protons in the nucleus?
The number of protons in the nucleus is equal to the atomic number of that atom. Said another way, the atomic number of any element is the number of protons in the nucleus of any atom of that element.It might be helpful to consider some examples, and if we look at mercury, we'll see it has an atomic number of 80. All atoms of mercury have 80 protons in them. Aluminum has the atomic number of 13, so all atoms of it have 13 protons in them. Uranium, which has atomic number 92, has 92 protons in all of its atoms.The number of electrons and neutrons in a given atom of a given element can vary for a number of reasons, and these characteristics are considered separately. The number of electrons in any atom will match the number of protons in the nucleus of that atom only if the atom is a neutral one. Some atoms loan out or borrow electrons, and then they become what are called ions. The number of neutrons can vary, too, and we use the term isotope to talk about atoms of a given element having different neutron counts.The atomic number indicates the number of protons in an atom's nucleus.The number of protons in the nucleus is the atomic number of the atom.
What deos the atomic mass represent?
The atomic number is the number of protons in the nucleus of an atom.(Note: that in a neutral atom the number of protons in the nucleus is also equal to the number of electrons the atom has)The atomic mass is the mass (weight) of all the components of the atom but is dominated by the nucleus composed of protons and neutrons. Basically atomic mass is how many times an atom of an element is heavier than an atom of hydrogen, (whose atomic mass is taken as unity [1]).(Note: atoms with the same atomic number [ie an element] may have slightly differing atomic masses. This is because atoms can have differing numbers of neutrons in their nucleus. These variations in atomic mass are called "isotopes" of that element)I have made a related link below showing you a Periodic Table of the Elements. The numbers on the table are the atomic numberof the element.An element's atomic number represents the number of protons that are present in the nucleus of an atom in that element.The atomic number represents the number of protons there is in that element. It also represents the number of electrons for that particular element only if the atom is atomically neutral and is not electrically charged. Typically, an atom does not lose protons so it is reliable to base this number on the number of protons in an atom as opposed to the number of electrons, seeing that electrons can be easily lost.
Why is an atom of an element neutral?
Because the number of electrons and protons is always equal.The protons are positively charged (+), the electrons are negatively (-) charged.When their number is equal the number of + and - is also equal.And equal number of - and + would of course give 0.0 represents neutral charge.
Why does an atom have a net zero change?
All atoms of any element are electrically neutral as they will have the same number of positively charged protons and negatively charged electrons in order to maintain electrical neutrality.
What can be said about the number of protons and electrons in an atom Why?
For any element an atom contains EQUAL number of protons and electrons. An atom has no charge. If any given atom has an unequal number of electrons and protons it is no longer an atom, but an ION.
What can be said of the number of electrons of the one element can have?
A neutral atom of an element will have the same number of electrons as protons (atomic number). For example, the element magnesium has the atomic number 12, which means that a neutral magnesium atom will have 12 protons and 12 electrons.
What is the energy level of an atom?
Depends upon the atom and element, some have an energy level of 0 and it can be +/- for others depending on the number of protons or electrons in said atom.
What does an elements atomic number represent-?
The number of protons (or electrons) an atom has. To find out how many neutrons there are take the atomic number and subtract it from the Atomic Mass... (atomic mass)-(atomic number)= neutrons atomic number= #of protons (or #of electrons)
What is the number protons in the nucleus?
The number of protons in the nucleus is equal to the atomic number of that atom. Said another way, the atomic number of any element is the number of protons in the nucleus of any atom of that element.It might be helpful to consider some examples, and if we look at mercury, we'll see it has an atomic number of 80. All atoms of mercury have 80 protons in them. Aluminum has the atomic number of 13, so all atoms of it have 13 protons in them. Uranium, which has atomic number 92, has 92 protons in all of its atoms.The number of electrons and neutrons in a given atom of a given element can vary for a number of reasons, and these characteristics are considered separately. The number of electrons in any atom will match the number of protons in the nucleus of that atom only if the atom is a neutral one. Some atoms loan out or borrow electrons, and then they become what are called ions. The number of neutrons can vary, too, and we use the term isotope to talk about atoms of a given element having different neutron counts.The atomic number indicates the number of protons in an atom's nucleus.The number of protons in the nucleus is the atomic number of the atom.
How many electrons and protons does an atom have?
Well it depends on the atom. Like for instance Hydrogen has 1 electron and 1 proton and Nitrogen has 7 protons and 7 electrons. If the atom is charged, then the number of protons and electrons are not equal. For example, hydrogen ion with +1 charge has 1 proton and 0 electrons. If the number of electrons is the same as the number of protons, then it is said to be neutral.
What determines the stability or reactivity of an atom?
The numbers of protons and neutrons in its nucleus, and the number of electrons in its valence shell. The number of protons and neutrons will affect the element and the isotope number, some isotopes are stable, some are not. Atoms are also more stable with a full outer energy level (octet rule - 8 electrons in the outermost shell).
Is the number Protons the same as electrons?
Yes.# of protons = # of electrons = atomic #Ex. K (Potassium) = atomic #: 19# of protons: 19# of electrons: 19They are in an uncharged or unionized atom. For example carbon (C) has 6 protons and 6 electrons the cation of carbon (with a positive charge) (C+) has 6 protons but only 5 electrons.So yes, in a standard atom, the number of protons=the number of electrons
What deos the atomic mass represent?
The atomic number is the number of protons in the nucleus of an atom.(Note: that in a neutral atom the number of protons in the nucleus is also equal to the number of electrons the atom has)The atomic mass is the mass (weight) of all the components of the atom but is dominated by the nucleus composed of protons and neutrons. Basically atomic mass is how many times an atom of an element is heavier than an atom of hydrogen, (whose atomic mass is taken as unity [1]).(Note: atoms with the same atomic number [ie an element] may have slightly differing atomic masses. This is because atoms can have differing numbers of neutrons in their nucleus. These variations in atomic mass are called "isotopes" of that element)I have made a related link below showing you a Periodic Table of the Elements. The numbers on the table are the atomic numberof the element.An element's atomic number represents the number of protons that are present in the nucleus of an atom in that element.The atomic number represents the number of protons there is in that element. It also represents the number of electrons for that particular element only if the atom is atomically neutral and is not electrically charged. Typically, an atom does not lose protons so it is reliable to base this number on the number of protons in an atom as opposed to the number of electrons, seeing that electrons can be easily lost.
Why is an atom of an element neutral?
Because the number of electrons and protons is always equal.The protons are positively charged (+), the electrons are negatively (-) charged.When their number is equal the number of + and - is also equal.And equal number of - and + would of course give 0.0 represents neutral charge.
What is the state of an atom with the same number of protons and electrons?
neutrally charged ones All atoms have the same number of protons and electrons, that's why they're electrically neutral. The negative charge on the electron and the positive charge on the proton are the same magnitude.If there is a difference in the number of protons and neutrons, we call the atom an Ion, and state the charge.When there are more electrons than protons, we call this an Anion (a negatively charged Ion) and when there are fewer electrons than protons, this is called a Cation (a positively charged Ion).
What does an atom represent?
The atomic number is the number of protons in the nucleus. Neutral atoms contain the same number of electrons as protons to balance the electrostatic charge. The number of electrons on an atom will determine its charge, loss of electron(s) will make it positive, gain will make it negative. This occurs when atoms form ions.
