In the chemical formula for ammonia, NH3 , what does the subscript 3 represent? the number of ammonia molecules that will bond together

the number of nitrogen atoms in each molecule of ammonia

the number of hydrogen atoms in each molecule of ammonia

the number of nitrogen and hydrogen atoms in each molecule of ammonia

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean

Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.