Answer:
a. P
b. Br
c. Ag
d. Na
Explanation:
The Periodic Table says so
The first part of the answer is in the photo attached. I hope i can attach a second photo...
Answer: mass of SO2 is 160 g
Explanation: according to equation number of moles of SO2
Is same as amount of Oxygen, also 2.5 moles.
Molar mass of SO2 is 32.07 +2·16 = 64.07 g/mol
Mass is m= nM = 2.5 mol· 64.07 g/mol= 160.175 g
Answer: all atoms of the same element have the same atomic number.
Explanation:
atomic mass differentiates them, which is the same as the mass number.
1. condensation
2. evaporation
3. precipitation
4. transpiration
5. dew