Which of the following observations indicates that an atom has neutrons?
a) some uncharged pa...
Chemistry, 02.07.2019 03:10, nickydeuce3
Which of the following observations indicates that an atom has neutrons?
a) some uncharged particles are scattered by a beryllium atom when it hits a gold foil.
b) some uncharged particles bounce back from a gold foil when it is bombarded with alpha particles.
c) radiation consisting of uncharged particles is emitted when alpha particles strike beryllium atoms.
d) radiation which attracts electrons is produced when a beryllium atom is bombarded with alpha particles.
Answers: 2
Chemistry, 23.06.2019 01:00, aliviadushane
If a straight-chain hydrocarbon is a gas at room temperature, how many carbon atoms will it have? a. 6 carbon atoms b. 12 carbon atoms c. 24 carbon atoms d. 3 carbon atoms
Answers: 1
Chemistry, 23.06.2019 14:30, hhhhhh8897
If 125 cal of heat is applied to a 60.0-g piece of copper at 25.0 ? c , what will the final temperature be? the specific heat of copper is 0.0920 cal/(g? ? c) .
Answers: 1
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