Which element would be the most suitable to make a spoon that will melt in your hot drinks?
A) aluminium
melting point: 660°C
boiling point: 2470°C

B) argon
melting point: -189°C
boiling point:-186°C

C) bromine
melting point: -7°C
boiling point: 59°C

D) gallium
melting point: 30°C
boiling point: 2400°C

E) lithium
melting point: 180°C
boiling point: 1330°C

F)mercury
melting point: -39°C
boiling point:357°C​

Molecular iodine, i2(g), dissociates into iodine atoms at 625 k with a first-order rate constant of 0.271 s−1. part a part complete what is the half-life for this reaction?

Match each statement with the state of matter it describes

Many radioactive atoms that have large masses undergo radioactive decay by releasing a particle that is identical to a helium-4 nucleus. what changes in the original atom are expected as a result of this natural phenomenon? the atomic number and the mass number will decrease. the atomic number and the mass number will increase. the atomic number will increase, and the mass number will decrease. the atomic number will decrease, and the mass number will increase.