Question: This energy-level diagram represents an atom with four electrons. What element is this? And is this the ground state of the atom or an excited

This energy-level diagram represents an atom with four electrons. What element is this? And is this the ground state of the atom or an excited state?

A. Lithium, ground state B. Lithium, excited state C. Beryllium ground state D. Beryllium excited state E. Boron, ground state F. Boron, excited state 2p: 2x+ Is

2p: 2x+ Is

Step by Step Solution

★★★★★

3.40 Rating (153 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

D There are four electrons so this is atomic numbe... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related College Physics Reasoning Questions!

In Exercises 25-27, state the third congruence that must be given to prove that ABC DEF using the indicated postulate. GIVEN LB = LE, AB = DE, ? = ? Use the SAS Congruence Postulate. A B C D E F

(8 points) The division manager of Paint Corp. is considering the purchase of new equipment, which would modernize an aging plant. The division's current asset base is $10,000,000 and operating...

Apex Company invested $14,400 in new equipment. The more efficient new equipment was expected to reduce operating cash outflows over the next five years by the following: yr1 = $8000 yr2= $6000 yr3=...

Althium atcm in the excled state contains the same number of electrons as a lithium alom in the ground state. However, in the excited state one or more of the electrons are temporariy located in a...

10. Question 10 4 pts Protons are being accelerated in a particle accelerator. If the speed of the protons is halved, the de Broglie wavelength of the protons will O decrease by a factor of 4. O...

31 Figure 1 Base your answer to the question on the information below and on your knowledge of chemistry. lodine has many isotopes, but only iodine-127 is stable and is found in nature. One...

Given the valence electron orbital level diagram and the description, identify the element or ion. a. A ground state atom b. An atom in an excited state (assume two electrons occupy the 1s orbital)...

(Multiple choice) (1) The energy of the ground state of doubly ionized lithium (Z = 3) is ______, where E 0 = 13.6 eV. (a) 9E 0 , (b) 3E 0 , (c) E 0 /3, (d) E 0 /9. (2) Bohrs quantum condition on...

In each part, an orbital diagram for an atom is given. Identify the element and whether this is the ground state of the atom. For any excited states, show the orbital diagram for the ground state....

In each part, an orbital diagram for an atom is given. Identify the element and whether this is the ground state of the atom. For any excited states, show the orbital diagram for the ground state. 1s...

Let u R3 be a unit vector. (a) Explain why the elementary reflection matrix R = I - 2uuT represents a reflection through the plane orthogonal to u. (b) Prove that R is an orthogonal matrix. Is it...

A large room uses a fan to draw in atmospheric air at 20C through a 30 cm by 30 cm commercial-steel duct 12 m long, as in Fig. P6.92. Estimate (a) The air flow rate in m3/hr if the room pressure is...

A coupon bond involves Question content area bottom Part 1 A . interest payments from the borrower to the lender periodically during the life of the loan and payment by the borrower to the lender of...

P562 ETHICS PROBLEM A manager at a Check Into Cash business defends his business practice as simply charging what the market will bear. After all, says the manager, we dont force people to come in...

Suggest reagents that would achieve the following transformation: CI CI CI

An alkyne with molecular formula C5H8 is treated with excess HBr, and two different products are obtained, each of which has molecular formula C 5 H 10 Br 2 . (a) Identify the starting alkyne. (b)...

The following enols cannot be isolated. They rapidly tautomerize to produce ketones. In each case, draw the expected ketone, and show a mechanism for its formation under acid-catalyzed conditions (H...

Discuss Technology, Organization, and Environment theory, institutional theory and quality management theory.

Problem 7: P8-28A Background: Well Healthcare completed its bank reconciliation on August 31. The items listed in the Transaction section below are the required entries resulting from this...

The adjusted trial balance of Cochrane Company includes the following accounts: The company uses a perpetual inventory system. Instruction. Prepare a multiple-step income statement for the year ended...