Answer:
#1- the percentage is 2.77%
#2 - 218.1336g
#3- 7.89%
#4- 63.8489g
#5- 136.1406g
#6- 340.3515g
#7- 2.387238
#8-
Explanation:
Answer:
Explanation:
the elements are arranged according to their atomic number - not their relative atomic mass . In the periodic table the elements are arranged into: rows, called periods , in order of increasing atomic number. vertical columns, called groups , where the elements have similar properties
Explanation:We have momemtum = mass X velocity
p = mv
OR, p/m = v
v = (125kg m/s)25kg
v = 125/25 m/s
v = 5 m/s
Covalent and hydrogen bonds
Answer:
Carbon or the symbol C has a mass percentage of 42.880% while Oxygen or symbol O has a mass percentage of 57.120%
