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What does the symbol Mg2 plus represent?
Magnesium that has lost 2 electrons.
How would the electron configuration for Ca change if two electrons where lost?
If two electrons are lost from a neutral calcium atom (Ca), the electron configuration would change to 1s^2 2s^2 2p^6 3s^1. This is because calcium has 20 electrons in its neutral state, and losing two electrons would result in a configuration with 18 electrons.
Are atoms have lost electrons is called?
Atoms that have lost electrons are called ions. When an atom loses electrons, it becomes positively charged because it now has more protons than electrons.
Number of electrons lost or gained by an atom in a chemical reaction is its?
The number of electrons lost or gained by an atom in a chemical reaction is its oxidation number. This represents the charge an atom would have if the bonding electrons were completely transferred. It helps to understand how atoms combine and react with each other.
What is the charge on a single atom that has not gained or lost electrons?
Such an atom would be neutral - no electric charge.
What does the symbol Mg2 plus represent?
Magnesium that has lost 2 electrons.
How is a potassium atom (K) different from a potassium ion (K )?
A potassium atom (K) is neutral and has an equal number of protons and electrons. In contrast, a potassium ion (K+) has lost an electron, giving it a positive charge due to having more protons than electrons.
Electrons of the 19th element?
The 19th element is potassium, which has 19 electrons. These electrons are distributed in energy levels or shells around the nucleus following the rules of electron configuration.
If calcium lost two electrons it would have the same number of electrons as?
If calcium lost two electrons, it would have the same number of electrons as argon. Calcium has 20 electrons in its neutral state, and losing two electrons would leave it with 18 electrons, which is the same as argon.
Why does a element have a plus 2 charge?
An element you have a +2 charge It is had lost electrons. It would have to lose the same number of electrons that its positive charge is. So it would have lost 2 electrons.
Can sodium and potassium combine to form a covalent bond?
Sodium and potassium are both metals that typically form ionic bonds with nonmetals. Due to their low electronegativity, they are unlikely to form a covalent bond with each other as it would require sharing of electrons, which is not favorable for metals.
What is the electronic configuration of potassium ion?
K+ is 18 electrons 1s2 2s2 2p6 3s2 3p6
What charge would tungsten ion with 68 electrons have?
The charge of an ion is determined by the number of electrons it has gained or lost compared to its neutral state. Tungsten has 74 electrons in its neutral state, so if it has 68 electrons, it has lost 6 electrons and would have a charge of +6.
How do you know the chemical reactivities of elements?
The farther the valence electron are from the nucleus, the more easily they can be lost therefore the more reactive the element is. i.e potassium would be more reactive than sodium (check their valence electrons)
Roman numerals in a cation represent?
the number of electrons lost when forming an ion and that the cation can form more than one cation.
What is the number of electrons gained of lost for potassium?
Potassium tends to lose one electron to achieve a stable electron configuration, forming the K+ ion. So, potassium loses 1 electron.
Why cant an ionic bond form between potassium and magnesium's?
Both elements are metals, so react by losing electrons. Potassium will form a 1+ ion and magnesium will form a 2+ ion. These aren't oppositely charged, therefore, can't form an ionic bond. Also, there is nothing available to accept the electrons lost.
