50 points and Brainliest! SEP Construct Explanations Chemical bonds release energy when they break apart, and take in energy when they form. How does this observation help explain the energy released by burning wood?

What is avogadro’s number, and why is it useful

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line