Your mom is playing the drums in the basement. Whenever she hits the drum with all her force, the box next to the drums shakes, rattles and almost rolls. What is occurring? A frequency B diffraction C resonance D interference

Which statement is true about a solution that has a pH of 12? A. It is abnormal. B. It is acidic. C. It is alkaline. D. It is neutral.

Classify each of the following properties of a cake as qualitative or quantitative. Give reasons for your answers A) it's a circular shape B) its mass is 1.5 kg C) it taste like chocolate D) it is 30 cm in diameter E) its icing is melting

Which of the following is a possible set of quantum numbers for an electron? (1, 1, 0, + ½) (2, 1, 2, + ½) (3, 2, 0, - ½) (3, - 2, 1, - ½)

What reacts with oxygen?

Faraday's law calculates how many amperes are generated. True or false?

How do you find the atomic mass of an isotope? A. Double the number of neutrons. B. Add the atomic number to the number of neutrons. C. Subtract the atomic number from the atomic mass. D.

What is the difference between a mixture and compound?

What is the meaning of chemistry

What's the Compound for CO?

What is the atom of halogen