Which statement about the atomic nucleus is correct?A. The nucleus is made of protons and has a negative charge. B.The nucleus is made of protons and neutrons and has a negative charge. C.The nucleus is made of electrons and has a negative charge. D.The nucleus is made of protons and neutrons and has a positive charge.

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer

Select the word from the list that best fits the definition the nuclear family into which a person is born or adopted.