Identify the following elements based on the electron configuration given: 1s22s22p63s23p64s23d104p65s24d7
1s22s22p63s23p64s23d104p65s14d10
1s22s22p63s23p64s1
1s22s22p63s23p4
[Kr] 5s24d1
[Rn] 7s25f6
[Xe] 6s24f145d6

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

What state of matter is ice a. liquid b. element c. solid d. gas

Let the ed50 of a recreational drug be defined as the amount required for 50% of a test group to feel high or get a buzz. if the ed50 value of ethanol is 470 mg/kg body mass, what dose would a 70 kg party goer need to quickly consume in order to have a 50% chance of getting a buzz? 235 mg 470 mg 32,900 mg 35,000,000 mg