Activity 2 1. Draw the MO diagram for He₂ Label all relevant orbitals Activity 2 2. Calculate the bond order for the He₂ molecule. Note: You will need the following equation for bond order: Bond Order = (# of bonding electrons - # of anti-bonding electrons) 5 mins MONASH University Individual 5 mins 3. Discuss whether or not the diatomics He2, He2* and He₂ exist (on the basis of their MO diagrams) a) In each case show the MO diagram and calculate the bond order

I need the bottom question solved similarly to the top question, pleaseee!

www-awu.aleks.com O CHEMICAL BONDING Using the MO model to predict bond order and paramagnetism OD OD Heather V Complete the table below, which lists information about some diatomic molecules or molecular ions. In particular: • Decide whether each molecule is stable or not. • Decide whether each molecule would be diamagnetic or paramagnetic. • Calculate each molecule's bond order. diamagnetic or paramagnetic? molecule stable? bond order O yes O diamagnetic O no O paramagnetic O yes O diamagnetic Li, O no O paramagnetic O yes O diamagnetic O no O paramagnetic Explanation Check O 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use I Privacy Accessibility

a) Which orbital is HOMO (Highest occupied)? b) Which orbital is LUMO (lowest unoccupied)? What do those MO look like? c) Paramagentic or diamagnetic d) What is the bond order - Will adding electrons increase or decrease the bond order? 2) Complete the MO for CO2+ 11 2p 1V. 2s 16 TC TV 11 T 1V 72 O 1114 2p 16 2s

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Suppose that the following MO-energy-level diagram applies to the the diatomic molecular cation BO+. (See attched image!) Does this diagram display the effect of s-p orbital mixing? YES or NO? Which kind of magnetism would be observed for this cation? paramagnetism or diamagnetism   What is the bond order for this cation?

Complete the table below, which lists information about some diatomic molecules or molecular ions. In particular: • Decide whether each molecule is stable or not. • Decide whether each molecule would be diamagnetic or paramagnetic. • Calculate each molecule's bond order. diamagnetic or paramagnetic? molecule stable? bond order 믐 O yes diamagnetic H, ? no paramagnetic yes diamagnetic He, no paramagnetic yes O diamagnetic no paramagnetic

Complete the table below, which lists information about some diatomic molecules or molecular ions. In particular: . Decide whether each molecule is stable or not. • Decide whether each molecule would be diamagnetic or paramagnetic. Calculate each molecule's bond order. . molecule Li₂ N₂ B stable? yes no yes no O yes no diamagnetic or paramagnetic? diamagnetic paramagnetic diamagnetic paramagnetic diamagnetic paramagnetic bond order 0 0 0 8 X

Complete the MO diagram (below) to determine if BN is paramagnetic or diamagnetic.

Molecular Orbital Diagrams and Bond Order The blank molecular orbital diagram shown here (Figure 1) applies to the valence of diatomic lithium, beryllium, boron, carbon, or nitrogen. Bonding orbitals are marked with or π and antibonding orbitals with o* or *. Figure 2p CV 2p 1 of 1 What is the bond order of C₂? Express the bond order numerically. ▾ View Available Hint(s) ▶ ▶ Hint 2. Determine the number of valence electrons in C₂ ▸ Hint 3. Determine the number of bonding electrons Hint 4. Determine the number of antibonding electrons ▶ Hint 1. How to approach the problem 2 VE ΑΣΦ ↑ Submit B ? Previous Answers Request Answer * Incorrect; Try Again; 3 attempts remaining Check that you have filled the diagram correctly. Then double-check the numbers of bonding and antibonding electrons. You may want to review Hint 2. Determine the number of valence electrons in C₂_ Review | Ca