Answer:
it should be B. earths core is composed of iron and nickel, if not let me know.
Answer:
Gamma decay/radiation
Explanation:
Gamma radiation has no mass and no electrical charge which means no change in the atomic number or mass number when gamma rays are emitted.
The ground state electron configuration is the arrangement of electrons around the nucleus of an atom with lower energy levels. The electrons occupying the orbitals of varying energy levels naturally falls towards the lowest energy state or ground state.
Answer:
Combination reaction
Explanation:
N2+H2 = NH3
they combine together to form a product
