Help please !! You buy a helium balloon of 14 Liters for your friend’s birthday and accidentally let go of it. As it rises into the atmosphere what do you expect to happen to the balloon? Defend your answer using Boyle’s Law.

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Here’s one way to follow the scientific method. place the missing steps in the correct position in the process

The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.