1) Indicar v o f, en caso de ser falso cambia la palabra subrayada por la correcta.
a) Los cambios físicos ocurren cuando las sustancias iniciales = sustancias finales.
b) Los cambios físicos ocurren cuando las sustancias iniciales = sustancias finales.
c) Cuando se quema un papel se produce un cambio químico.
d) Al fundir el oro para hacer un anillo ocurre un cambio químico.
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What term describes technology that operates on an atomic level
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How many peaks will be present in a mass spectrum for brcl?
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Which substance—wood or silver—is the better thermal conductor? a thermal conductor is a material that requires very little heat energy to change its temperature. explain your answer.
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In chemistry, the type of an atom (what element it is) is determined by: a) the number of protons it contains in its nucleus.b) the number of neutrons it contains in its nucleus.c) the number of protons it has in a cloud around the nucleus.d) the number of neutrons it has in a cloud around the nucleus.e) the number of electrons it exchanges with its neighbors.
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1) Indicar v o f, en caso de ser falso cambia la palabra subrayada por la correcta.
a) Los cambios...
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