What particle make up an atom? ? can you me?

In a laboratory, nakisha mixes sodium hydroxide solution with an indicator called phenolphthalein. when combined, they create a pink solution. nakisha wonders if mixing other solutions with phenolphthalein will also create this pink color. how could she use the scientific inquiry process to explore it further?

Which subatomic particle has a negative charge

Which sound characteristic is not affected by the relative motion of an object