Question

Which of the following elements tend to be radioactive?

Check all that apply.

A. Am
B. U
C. Ne
D. K

Answer 1

Am and U
K is an alkaline metal and Ne is a noble gas.

Answer 2

Where does the energy from the sun come from?

A. the fission of helium
B. the fusion of hydrogen
C. its iron core
D. the force of its own gravity

Answer 3

b?

Answer 4

The sun generates energy in its core in a process called nuclear fusion. During nuclear fusion, the sun's extremely high pressure and hot temperature cause hydrogen atoms to come apart and their nuclei (the central cores of the atoms) to fuse or combine. Four hydrogen nuclei fuse to become one helium atom.

Answer 5

so its A