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How many electrons are in a neutral atom with 12 protons?
Atoms that are neutrally charged will have the same number of protons as electrons, because one proton will cancel out one electron. To achieve a net charge of 0, 12 protons must be countered with 12 electrons.
Are most atoms neutral?
The atomic nucleus is not neutral, it is positively charged (the exact charge depends upon the element in question; the hydrogen nucleus is +1, the helium nucleus is +2, etc). The atom as a whole is electrically neutral, unless it becomes ionized.
How many valence electrons do stable atoms have?
Oh, dude, stable atoms typically have 8 valence electrons because they want to be all balanced and happy. It's like they're throwing a party and they need 8 cool electrons to join in on the fun. So yeah, 8 valence electrons is the magic number for stable atoms.
What is the charge of an atom that has lost an electron?
This atom become a cation with a +2 electrical charge. All atoms have are neutral because the numbers of protons and electrons are equal. When you subtract any number n of electrons, the new charge is +n, just as a general rule.
What are the three basic particles of an atom?
First Answer: The three basic particles of an atom are protons, neutrons and electrons. The proton and neutron comprises of the nucleus of an atom but electrons revolve around the nucleus continuously. The protons are positively charged and electrons are negatively charged while the neutrons are neutral. Thus we can say the whole atom is neutral. Second Answer: 1) Proton (Positive) 2) Neutron (Neutral) 3) Electron (Negative)
How many electrons are there in a calcium Ca2ion?
18. Calcium has atomic number of 20 so the 2+ ion has two less electrons than the neutral elemnt.
How many electrons does aneutral atom with 2 protons and 3 neutrons have?
2: A neutral atoms must have the same numbers of protons and electrons.
Neutral atoms of argon atomic number 18 have the same number of electrons as each of the following items except?
Neutral atoms of argon (atomic number 18) have 18 electrons. Consequently, they do not have the same number of electrons as hydrogen (1 electron), helium (2 electrons), or lithium (3 electrons).
How does the number of separate electrons shown for the group 2 metal atoms compare to the number of atoms?
The number of separate electrons for group 2 metal atoms is twice the number of atoms. This is because each group 2 metal atom typically loses two electrons to achieve a stable electron configuration.
Cations are formed by?
Cations are formed by atoms losing electrons, resulting in a positively charged ion. This occurs when atoms from metals and certain nonmetals give up electrons to achieve a stable electron configuration. The loss of electrons creates a deficiency of negative charge, leading to a positive charge on the cation.
How many atoms does a bromine atom have?
Bromine has 35 electrons in its neutral state, and, as it is a halogen, 36 in its most stable ion. So it would have 4 shells, with 2, 8, 18, and 7 electrons in the neutral state, or 2, 8 ,18 and 8 electrons in its stable ion.
Why are atoms said to be electricly neutral?
Atoms are built form 3 types of particles Electrons (which are electrically negative) Neutrons (which are electrically neutral) Protons (which are electrically positive) Nature likes things to be balanced so when atoms are put together, nature makes sure that the number of Electron the atom has is matched by the number of Protons. This makes all atoms electrically neutral. However, when atoms react with each other chemically, they can share or swap electrons with each other which means that they are no longer electrically neutral (in this state they are called "ions"). Nature therefore requires that the stuff they have made (called a compound) when joining together is, overall electrically neutral and bonds them together so that this is achieved. This is why chemical compounds exist and are stable.
Does carbon have seven electrons?
No, it has six electrons because its atomic number is 6. Atoms are neutral, so it would need six electrons to counteract with the charge of the six protons. 2 core electrons and 4 valence electrons.
How many electrons does a neutral atom of helium (He) have?
A neutral atom of helium has 2 electrons.
Why does helium not have a charge?
all atoms generally do not have charge as the number of protons and number of electrons will be the same.
What subatomic particle is always equal in neutral atoms?
protons and electrons will always be = number
Why are elements from the periodic table neutral?
All of them are electrically neutral, that is, they do not need to appear in ionic form.
