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They have the same electron configuration as argon, which means they are isoelectronic with argon.
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S2- Cl1- K1 plus and Ca2 plus are all with Ar?
They have the same electron configuration as argon, which means they are isoelectronic with argon.
A certain arithmetic sequence has the recursive formula an equals an-1 plus d If the common difference between the terms of the sequence is -11 what term follows the term that has the value 11?
an = an-1 + d term ar-1 = 11 difference d = -11 ar = ar-1 + d = 11 - 11 = 0 The term 0 follows the term 11.
Q 5th term of a GP is 2 then product of its 9 terms is?
I'll try to answer the question, "If the 5th term of a geometric progression is 2, then the product of its FIRST 9 terms is --?" Given the first term is A and the ratio is r, then the progression starts out... A, Ar, Ar^2, Ar^3, Ar^4, ... So the 5th term is Ar^4, which equals 2. The series continues... Ar^5, Ar^6, Ar^7, Ar^8, ... Ar^8 is the 9th term. The product P of all 9 terms is therefore: P = A * Ar * Ar^2 *...*Ar^8 Collect all the A's P = (A^9)*(1 * r * r^2 ...* r^8) P = A^9 * r^(0+1+2+...+8) There's a formula for the sum of the first n integers (n/2)(n+1), or if you don't know just add it up. 1+2+...+8 = 36 Therefore P = A^9 * r^36 Since 36 is a multiple of 9, you can simplify: P = (Ar^4)^9 Still with me? Remember that Ar^4=2 (a given fact). So finally P = 2^9 = 512. Cute problem.
AR 25-2 requires all users to do what?
Logoff their computers at the end of the work day
How many canadarms are there?
there ar about 200- 100 -_200
S2- Cl1- K1 plus and Ca2 plus are all with Ar?
They have the same electron configuration as argon, which means they are isoelectronic with argon.
S2 Cl1 K1 plus and Ca2 plus are all with Ar?
They have the same electron configuration as argon, which means they are isoelectronic with argon.
What does s2- Cl1- K1 and Ca2 have incommon with Ar?
They all have the same electron configuration as the noble gas argon.
What do an ion of Ca2 plus and an atom of Ar have in common?
They have the same number of electrons. A neutral Ca atom would have 20 electrons but because it is a Ca2+ ion it only has 18 electrons (the same as Ar).
How do you arrange in order of increasing size S2- Cl- K plus Ca2 plus now arrange them in order of increasing ionization energy what is the electron configuration of each?
is electronic all have electronic config of {Ar} size Ca^2+^<k+<Cl-<s2-< IE S2-<CL-<K+<CA2+
What is the noble gas electron configuration of Ca2 plus?
calcium is normally [Ar] 4s2 if it is a 2+ ion, then it has lost 2 electrons so the configuration is just [Ar]
Does Ca2 have an identical electron configuration as anything else?
Yes, it is identical to Ar.
Does k2plus and ca have the same electronic configuration as argon?
Not exactly as asked in the question. But K+, Ca2+ and Ar all have the same electronic configuration. All will have a total of 18 electrons.
Which ion has the same electron configuration as argon?
Cl-, K+, Ca2+ all have [Ar] configuration with 18 electrons (1s2, 2s2 2p6, 3s2 3p6)
How do you simplify a plus ar?
( a + ar ) = a ( 1 + r )
Which noble gas is isoelectronic with a calcium ion?
(Ar) Argon because Ca ion is Ca2+ so it give away 2 electrons
How does calcium obey the octet rule when reacting to for compounds?
It forms a divalent cation, Ca2+, by losing two electrons and attains the electronic configuration of [Ar].
