Cl2-
The ion that carries two negative charges and is isoelectronic with K+ is O2-. Both ions have 18 electrons, but O2- has gained two electrons to achieve a full outer shell, giving it a total charge of -2.
Argon has 18 electrons. Ti4+ also has 18 electrons. Hence they are isoelectronic.
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c. Rb plus. Kr has 36 electrons, the same as Se2-, As3+, Sr2+, and Br-. Rb plus has 35 electrons, which is not isoelectronic with Kr.
Mg^2+ is isoelectronic to Na^+ because it has the same number of electrons (10) as Na^+ after losing two electrons to achieve a stable octet configuration.
Iron ions, Fe+3, will bind to oxygen ions, O-2, in a ratio that depends on their charges since the total positive charges in the molecule must equal the total negative charges. The eventual number of positive and negative charges is found by the least common multiple of the charges. In this instance, the charges are 3 and 2. The least common multiple is 6, so two atoms of the Fe+3 are needed to have a total positivie charge of +6, and three O-2 are needed to have a total negative charge of -6 to provide the electrical balance. The resulting molecule is Fe2O3.
alex oulton
Argon has 18 electrons. Ti4+ also has 18 electrons. Hence they are isoelectronic.
isoelectronic
isoelectronic
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The symbol Al3+ refers to an aluminum ion that has a positive charge of 3. This means it has lost three electrons to achieve a more stable electron configuration.
c. Rb plus. Kr has 36 electrons, the same as Se2-, As3+, Sr2+, and Br-. Rb plus has 35 electrons, which is not isoelectronic with Kr.
They have the same electron configuration as argon, which means they are isoelectronic with argon.
They have the same electron configuration as argon, which means they are isoelectronic with argon.
Mg^2+ is isoelectronic to Na^+ because it has the same number of electrons (10) as Na^+ after losing two electrons to achieve a stable octet configuration.
An atom is always neutral of charge, meaning ZERO. This is possible because of the equal numbers of (positive) protons and (negative) electrons, each plus charge is compensated by one (equally negative) minus charge.
Because protons have a positive charge, hence the plus sign, and electrons have a negative charge, hence the minus sign.