Which is least affected by chemical weathering? (1 point) A. a pile of tiles made of feldspar
B. a chair made of plastic
C. a statue made of marble
D. a bridge made of iron rods

If two atoms are bonded to a central atom with no lone pairs,how will they be arranged

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?

How many moles of lead are in 1.50 x 10^12 atoms of lead? could you explain the answer as well and not just give it to me i am refreshing for finals and i need to know how to do it