Explain atoms contain positively charge protons and negatively charge electrons. why does an ordinary atom have no charge?

What is the chemical formula for the compound formed between sodium and flour one

What four properties do all waves have in common

The graph indicates the running route for tobias. which best describes his run? from time 0 to 6, he went fast and then slowed down. from time 6 to 10, he was at his slowest. from time 12 to 14, he went very slow. from time 14 to 18, he went toward the starting point.