Can someone who does chem help me pls? Tyyy

Find the protons, electrons and neutrons for strontium with a mass of 83

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change. when the temperature in a room increases from 25°c to 33°c, changes from a solid to a liquid. in a lab, methane and nitrogen are cooled from -170°c to -200°c. the methane freezes and the nitrogen . when gold is heated to 2,856°c it changes from a liquid to a .

According to the tide table below what time of day will the highest tide occur?