Think about what you know about weather forecasting. How far in advance do you think accurate weather forecasts can be made?

An observation that requires measurement is called quantitative observable or qualitative

Arrange the elements in order of increasing electronegativity. use the periodic table to you arrange the elements. p o k mg

110 g of water (specific heat = 4.184 j/g c) and 100 g of a metal sample (specific heat = 0.397 j/g c) are heated from 25 degrees c to 75 degrees c. which substance required more thermal energy?