When the balloon sticks to the wall (assuming it sticks to the wall). It is because the balloon is negatively charged and the wall carries an extra
positive charge.
1.false
2.true

Which of the following harmful chemicals are found in tobacco smoke? a. carbon monoxide b. carbon dioxide c. nicotine b. carbon dioxide d. both a and c

How can you increase the strength of an electromagnet?

Consider a hydrogen atom in the ground state. what is the energy of its electron? =e= jj now consider an excited‑state hydrogen atom. what is the energy of the electron in the =5n=5 level? =e5= j