Answer:
What type of reaction is shown below? Check all that apply.
Ca + 2H2O → Ca(OH)2 + H2
synthesis
decomposition
combustion
single replacement
double replacement
Explanation:
Answer:
24m/s
Explanation:
a=change of v/change of t
6m/s^2=v/4s
multiply both sides by 4s
v=24m/s
Argon: 1s22s22p63s23p6 is right answer,
The radioactive isotope's atomic number decreases by two, and the alpha particle has an atomic number of 2. It wasnt clear which one you were asking for, so there is both.