Answer the following based on the picture below. 1) How many electrons are present? 2) How many protons are present? 3) Which group does this
element belong? 4) Which period does this element belong? 5) What is the
electronic configuration?

please i need help​

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