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Which element has a negative electron affinity. Is it Kr. O. Ca. He or Mg?
Helium (He) is the element that has a negative electron affinity. This means that it is less likely to gain an electron compared to other elements listed (Kr, O, Ca, and Mg) which have positive electron affinities.
Is the electron affinity of an element positive or negative?
The electron affinity of an element can be either positive or negative, depending on whether the element tends to gain or lose electrons when forming chemical bonds.
What two entities are formed when one element transfers an electron to a different element which can accept the electron?
A positive ion ( the one that gives the electron) and a negative ion ( the one that accepts).
If an element is missing one electron... is it a positive ion negative ion different element or different isotope?
If an element is missing one electron, which is defined as having a negative charge, then the element is a positively charged ion. If an element gains an extra electron, it will have a negative charge and be a negative ion. An element with an equal number of positively charged protons and negatively charged electrons is considered to be a neutral element (in other words, no charge). By the way, no charge for this answer!
Which element can form both positive and negative ions?
Hydrogen is the element that can form both positive (H+) and negative (H-) ions. When hydrogen gains an electron, it forms a negative ion, and when it loses an electron, it forms a positive ion.
Which element would most likely have a positive electron affinity between Na Al Rb and Ar?
Chlorine (Cl) would most likely have a positive electron affinity. Typically, elements with high electron affinities are found on the right side of the periodic table, closer to the noble gases. Among the choices given, Argon (Ar) is a noble gas and has a positive electron affinity.
What does '' plus '' mean in element?
A positive ion or an atom that has been stripped off one electron.
What element is relatively simple?
The simplest element from an atomic structure point of view is hydrogen with just one proton and one electron. Its chemistry is by no mean simple!
Is element Na positive or negative?
No element on its own has a charge. However, in all of its compounds sodium forms a positive ion.
Electron configurations is most likely to result in an element that is relatively inactive?
A filled highest occupied principal energy level
Which element would most likely have a positive electron affinity element Na element Al element Rb or elemnt Ar?
which of these is an extensive property of a substance? is it color, hardness, malleability, or volume
What element has one valence electron and is very reactive?
The element with one valence electron and is very reactive is sodium. Sodium is a member of the alkali metal group and readily gives up its outer electron to form positive ions in chemical reactions.
