Leckbee824 Leckbee824

28-05-2015
Chemistry

Answered

31 What is the number of electrons in an Al3+ ion?(1) 10 (3) 3
(2) 13 (4) 16

Answer :

lulu1991 lulu1991

07-06-2015

The answer is (1) 10. The aluminum atom has 13 protons and 13 electrons. And Al3+ ion lost three electrons to get the stable state. So there is only 10 electrons in an Al3+ ion.

Answer Link

Other Questions

SGLT2 inhibitors may have a role in treating which of the following conditions?A. Thyroid disordersB. Pulmonary hypertensionC. Renal failureD. Hepatic dysfuncti

If $2,000 is borrowed at 5.5% interest, find the amounts due at the end of 4 years if the interest is compounded as follows. (Round your answers to the nearest

Scenario planning is most useful for:O Short-term, tactical decision makingO Situations with a high degree of certaintyO Long-term, strategic planning in uncert

T cell maturation occurs in the ____.O SpleenO LiverO ThymusO Red bone marrow

What are the negative social features of the HIV pandemic

Carlson has saved $390 at the bank. He wants to save $2950 for a trip to Japan. What percent of his goal has been reached? Round to the nearest tenth of a perce

X is equals to-a/b is the solution of ax + b is equals to zero

Which expression is equal to [tex]$2 \sin \left(\frac{\pi}{10}\right) \cos \left(\frac{\pi}{10}\right)$[/tex]?A. [tex][tex]$-\sin \left(\frac{\pi}{20}\right)$[/

Select the correct answer.Which of the following represents a function?A.B.[tex]\[ \begin{tabular}{|c|c|c|c|c|c|} \hline $x$ & 5 & -5 & 10 & 5 &

Discuss the theoretical principles behind quantum communication protocols, including quantum teleportation, quantum entanglement, and their applications in secu

Which statement correctly compares 11/20 an 5/9 A:11/20<5/9 B:11/20>5/9 C:11/20=5/9

what kind of angles do you see in the letters e f and l

How to finish a space report in ten minutes?

here goes my problem 5

How and why do planets rotate around the sun? What would happen if planets wouldn't rotate but orbit the sun?

How to finish a space report in ten minutes?

Where did Abraham Lincoln die? Who killed him?

How would you describe the lines represented by railroad tracks?explain

What is 5x + y = 10 Solve the equation and find the y value for the given x value x = -2

Is a ratio a rate always, sometimes, or never?