HE im bout to fail 8th grade and i-d-k what to do, everyone is saying it like it's that easy i just want to go into highschool

Write two balanced equations 1. dissolving of solid sodium hydroxide in water 2. the reaction of sodium hydroxide solution with hydrochloric acid

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

How does the principle of electromagnetism explain the interaction between earth’s magnetic field and the solar wind?