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What must be true of the number of protons and the number of electrons in an atom if the atom has no charge?
The number of protons must equal the number of electrons in an atom for it to have no charge. Protons are positively charged particles, and electrons are negatively charged particles. A balanced number of protons and electrons results in an atom with a neutral overall charge.
How many electrons does a stable atom of potassium have?
Potassium's atomic number is 19. Thus, it has 19 positively charged protons. To make it neutral, it must also have 19 negatively charged electrons.
Ions are charged particles. Therefore ions must always have an unequal number of?
Ions are charged particles therefore ions must always have an unequal number of Protons and Electrons. Since the amount of protons, in general, can't change, then the amount of charge is controlled by how much electrons are present. E.g., If there is 7 protons and 7 electrons, the charge is 0 as the protons cancelled out the electrons. However if it gained 3 electrons, it would be 7 protons and 10 electrons and therefore have a charge of -3 (Because electrons are negatively charged)
Does a chloride ion have equal protons and electrons?
No. By definition an ion is electrically charged and so must have a different number of protons and electrons. A chloride ion has 17 protons and 18 electrons.
How many protons and electrons are there in oxygen?
Oxygen's atomic number is 8. Thus it has 8 positively charged protons per atom. In order for oxygen to be neutral, it must also have 8 negatively charged electrons in each atom.
Why is the atomic number equal to the number of protons?
In order to have a neutral atom, protons and electrons must cancel each other out. If you have more electrons, your atom becomes negatively charged and if you have more protons, the atom becomes positively charged. Hence, a neutral atom must have the same number of electrons and protons.
If an atom is negatively charged what must have occurred?
This atom has won electrons.
What is the number of electron for lithium?
Lithium has 3 electrons and the Lithium ion has 2.
Objects A and B are brought close to each other. Object A will soon become positively charged. Identify the charge that must transfer for this situation to occur.?
Electrons must transfer from object A to object B for object A to become positively charged. When electrons are transferred from one object to another, the object losing electrons becomes positively charged, while the object gaining electrons becomes negatively charged.
Most atoms have equal numbers of?
an atom has a no charge or has a net charge zero as it contains equal number of electrons and protons .for example a sodium atom Na has 11 protons and 11 electrons .mathematically +11_11 =0 hence no charge .
How many electrons and protons for soduim?
Sodium's atomic number is 11. Thus, it has 11 protons, all of them being positively charged. In order to be neutral then, an atom of sodium must also have 11 electrons.
Are all atoms neutral?
Can atoms become neutral and howAtoms are already neutral because they have both protons which are positive charged and electrons which are negatively charged. it has to be nueral because of the the same number of both negative and positive particles.
