Calcula la masa atómica del litio sabiendo que está formado por una mezcla de Li₆ y Li₇. La abundancia de Li₇ es del 92,40 %. La masa isotópica del Li₆ es 6,0167 u y la del Li₇ vale
7,0179 u.

Which statement explains which component is likely to be more powerful in explaining a scientific phenomenon? a) component c, because a theory is often passed on possibility and not certainty b) component d, because a hypothesis is often based on possibility not certainty c) component c, because the ability to explain several occurrences in the natural world is a characteristic of a hypothesis d) component d, because the ability to explain several occurrences in the natural world is a characteristic of a theory