Calculate the density of a substance with a mass of 35.0 g and a volume of 25.0 cm3

Which metal exist in liquid state and can be cut with knife ?

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.

Is a pencil falling to the floor anon contact force, a force, or a contact force