What is the atomic number of potassium?[response_blankA]

Explain what the numbers placed in front of formulas (coefficients) represent in a balanced equation.

Based on its group number, write the charge an ion would have for an element in each group.A) Group 1: [response_blankA]B) Group 16: [response_blankB]

Convert 6.380 g to dg.

Perform the following calculation.(52.418 − 7.6) ÷ 128.34

On my honor, I have neither given nor received unauthorized aid in doing this assignment.  

This question is Extra Credit, it is optional to answer. It is worth 1 point.What is the name of the periodic group that selenium is in?

Copy of What is the purpose of the slow inspiratory flow used in conjunction with the meter dose inhaler?

You remove a new MDI from its box for administration. What action do you perform before administering?

A flask is filled with 4.00 atm of gaseous F2 and 3.00 atm of gaseous N2. When a lit match is thrown into the flask, the gases react and form gaseous NF3. What is the final partial pressure of NF3 in the flask after the reaction?