Which observation shows that a substance is malleable (A) the substance breaks apart when stretched
(B) the substance shatters when hit with a hammer
(C) the substance flattens when hit with a hammer
(D) the substance can be stretched easily into wires

Its's science BTW

If 1.63 times 10 negative 4 of helium dissolves in 100.0g of water, what is the concentration in parts per million

Adeuteron, 21h, is the nucleus of a hydrogen isotope and consists of one proton and one neutron. the plasma of deuterons in a nuclear fusion reactor must be heated to about 3.02×108 k . what is the rms speed of the deuterons? express your answer using two significant figures.

40dm3 of gas at 760 torr are heated from 5°c to 50°c what is the new volume