According to Erikson, the psychological conflict in preschool years is _______________.

Isotopes of the same element have different numbers of _________ relative to each other, and would also have different __________ numbers.

The fictional element Missouthernium (Ms) has three naturally occurring isotopes. Isotope A has a mass of 199.79 amu, Isotope B has a mass of 203.45 amu, and Isotope C has a mass of 206.72 amu. If the relative abundance of Isotope A is 42.6%, Isotope B is 35.2%, and Isotope C is 22.2%, what is the average atomic mass of Missouthernium (Ms)?

Observe the following molecule (Plastocyanin). Which element in the molecule has the highest electronegativity? Capture(1).JPG

Which of the following must be an incorrect nuclear symbol?

 Precision in reading instruments to the correct number of significant figures affect the accuracy and reliability of results when recording scientific data. On the image of the thermometer shown below, what temperature (to the correct number of significant digits) does B indicate? Capture.JPG

A piece of metal with a mass of  g at 165.3oC is placed in a styrofoam cup containing g of water at 21.5oC. Once the system has reached equilibrium, the final temperature of the water is oC. What is the specific heat of the metal to four significant digits? The specific heat of water is 4.18 J/g-oC.

Which of the following is the correct electron configuration for a neutral sulfur (S) atom, which has an atomic number of 16?

conversions.JPG periodic table.jpg VSEPR_chart.JPGChoose the best answer for the following.

Information for Questions 29–30 Intercompany Depreciable Transactions Penn Co. owns 80% of Senn Co.’s stock.  On January 3, 20×4, Senn Co. sold equipment with an original cost of $30,000 and a carrying value of $12,000 to Penn Co. for $16,000. The equipment had a remaining useful life of 4 years and was depreciated using the straight-line method by both companies.   For your answers:  Round your answer to the nearest dollar. Enter your answer as a number with no decimal places and no dollar ($) sign. You may enter the number with or without the comma separator (e.g., 28,374 or 28374). For the fill in multiple blanks question, if there is no entry, you must enter a 0. Blanks are marked as incorrect answers. For partial credit: After stating your answer, show how you arrived at your answer. (e.g., 13,000 ) Include any explanations or logic used to arrive at your answer.