J. j. thompson (late 1800s):
8. what did thompson discover? 10
9. what is the charge of an electron? 2
10. what are cathode rays made of?
11. what was thompson working with when he discovered the electron

d. temperate deciduous forest

it is a good conductor

explanation:

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.

distance, luminosity, brightness, radius, chemical composition, and temperature