What is an alkali?

a) A substance that will neutralise an acid
b) A substance that produces H+ ions when added to water
c) A soluble base
d) A chemical which changes colour when added to acids and alkalis

It is important to wear proper protective equipment in lab even when not actively performing experiments because accidents can affect any researcher, even one not working on an experiment. select the best answer from the choices provided

The is a particle with one unit of positive charge a. proton b. positron c. electron d. nucleus awnser quick it is a important science test!

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?