Answer:
Option b.) Potassium ion, is written correctly.
Explanation:
Hope this helps! :)
Answer:
the other stars are much farther away from Earth than our sun
Option A. is the best answer
Hey there!
Density = 2.70 g/cm³
Volume = 10.0 cm³
Therefore:
Mass = density * volume
Mass = 2.70 * 10.0
Mass = 27.0 g
Answer:
Explanation:
You just have to see the REACTANTS and PRODUCTS and look how much molecules are there and accordingly put numbers.
Eg:4Fe+3O2--------->2Fe2O3
