The atomic weight of antimony is 121.76 amu. two naturally occurring isotopes of antimony. 121-sb has an isotopic mass of 120.9038 amu and natural abundance of 57.40%. what is the isotopic mass of the other isotope, 123-sb?

In which of the following cases is work being done on an object? question 2 options: pulling a trailer up a hill carrying a box down a corridor suspending a heavy weight with a strong chain pushing against a locked door

Marcella is a four-year-old girl who is a victim of emotional child abuse. based on the child and family services improvement and innovation act of 2011, which action should the government take for marcella? a. the state should arrest marcella’s abuser. b. the state should find a home for marcella as soon as possible. c. the state should enforce stricter laws in the area where marcella resides. d. the state should provide medical assistance to marcella.

Explain why you think this diagram shows what happened to the carbon in the biodome.