Identify structure “15”. 

Identify structure “16”. 

Identify structure “4” of the neuron. 

The temperature of a 12.58 g sample of calcium carbonate increases from 23.6 Celsius to 38.3 Celsius. If the specific heat of CaCO3 is 0.82 J/g0C, how many joules of heat are absorbed during this process? (Hint: Heat = Mass x specific heat x change in temperature)

 T h e   e n t h a l p y   o f t h e   r e a t i o n 2 M g   +   O 2   → 2 M g O   i s   – 1610   k J .   F i n d   t h e   e n t h a l p y   o f   t h e   f o l l o w i n g   r e a c t i o n   i s M g   +   1 2 O 2   → M g O 

Calculate the bond order of N2 molecule (N is in grip 5) N2 MO diagram.pdf

What formula is most likely when aluminum and oxygen combine together? Hint: Consider the charges of Al and O atoms (Al is in group 3, O is in group 6)

Choose the correct number of protons, electrons, and neutrons in the Br- (bromide) ion: 35 80 B r –  Protons Electrons Neutrons  A 35 45 35 B 35 35 45 C 35 35 80 D 35 36 45 E 34 35 45

Which of the following is NOT a diatomic species in its molecular state  (Hint: Hydrogen exists as H2 and it is a diatomic gas)

The motivating potential score (MPS) is used to measure the overall potential of a job to motivate employees.