Potassium has 20 neutrons
Hope this helps
An organism which has two different alleles of the gene is called Heterozygous.
Answer:Classify each of the following chemical reactions.
S + O2 → SO2
CaCl2 + 2AgNO3 → Ca(NO3)2 + 2AgCl
Zn + CuSO4 → Cu + ZnSO4
2Na2O → 4Na + O
Explanation:
synthesis and combustion
double replacement
single replacement
decomposition only
Ionic Crystal. Ionic hydrogen.postive electron transfer to atoms
1 is c 2 is b 3 is 1 d 4 is a