How many valence electrons does this atom have? An atom has the following successive ionization energies...
Examine the following set of ionization energy values for a certain element. How many valence electrons does an atom of the neutral element possess? Ionization step Ionization energy (kJ/mol) Ei1 1012 Ei2 1903 Ei3 2912 Ei4 4956 Ei5 6273 Ei6 22233 Ei7 25997 Enter your answer numerically as an integer.
How many valence electrons does an atom of praseodymium, Pr, have? How many unpaired electrons does an atom of Samarium, Sm, have? What is the geometry for the ClO4- ion? What is the bond angle in the ClO4- ion?
The figure represents the successive ionization energies of an atom in the third period of the periodic table. - Part A 16,000 14,000 Which atom is this most likely to be? Express your answer as a chemical symbol. 12,000 Energy (kJ/mol = ADP * o a ? Al 6000 4000 Submit Previous Answers Request Answer 2000 X Incorrect; Try Again; 5 attempts remaining E1 E2 E3 E4 E,
The figure represents the successive ionization energies of an atom in the third period of the periodic table. Part A 16,000 14,000 Which atom is this most likely to be? Express your answer as a chemical symbol. 12,000 ΑΣΦ ? 10,000 Energy (kJ/mol 8000 Si 6000 Submit Previous Answers Request Answer 4000 2000 X Incorrect; Try Again; 3 attempts remaining 0 E1 E2 E E4 Es
4. Consider an element of Period 2 which has the following successive ionization energies, in kJ/mol. What is the charge of the common ion? IE1, 1314 IE2, 3389 IE3, 5298 IE4, 7471 IEs, 10992 IE6, 13329 IE7, 71345 IE8, 84087 (1) -1 (2) –2 (3) –3 (4) +6 (5) +7
Element J was found to have the following ionization energies (in kJ/mol) 1st IE 2nd IE 3rd IE 4th IE 5th IE 6th IE 631 1235 2389 7099 8844 10720 How many valence electrons does element J have? Explain. (2) If element J is found in the fourth period, identify element J. (1) Write the electronic configuration for element J. (1) Write complete sets of quantum numbers for each of the valence electrons (i.e. n, l, and ml) that you...
7. How many valence electrons does Br atom have? (1)2 (2) 4 (3) 7 (4) 8 18. How many electrons must a Sc atom lose to form a stable cation? (1) 5 (2)3 (3)7 (4) 8 19. Which element has the following ground-state electron configuration (Kry5s4d105p? (3) 1 (4) Te (1) Sn (2) Sb 20. Which one of the following elements forms a stable 2- anion? (1) P (2) Se (3) AI (4) Mg 21. Which two of the following...
a) how many valence electrons does a Ni^+2 possess? how many unpaired valence electrons? write its ground state electron configuration. b) which ionic compound is predicted to have the strongest ionic bonding? a) KF b) RbCl c) Rbl d) KBr e)Li
Question 23 2 pts What element in period 3 has the following successive ionization energies? 1E1:578 kJ/mol IE2: 1817 kJ/mol 1E3: 2745 kJ/mol IE4: 11578 kJ/mol IES: 14842 kJ/mol IE6: 18379 kJ/mol 1E7:23326 kJ/mol IE8:27464 kJ/mol
10.) Below is a list of successive ionization energies (in kJ/mol) for a period 3 element. Identify the element and explain how you came to that conclusion. IE2 = 2250 IE3 - 3360 TE 4 = 4560 IE5 = 7010 IE6 - 8500 IE 7 = 27,100