Oh no se, aparte que ni inglés se lo siento 0102938
Answer:
The correct answer is - D. the energy stored inside the center of an atom.
Explanation:
Each atom has a small center in it called the nucleus and the energy that holds the nucleus or center of the atom together in the atom is known as nuclear energy.
It is the energy that is stored in the center of the atom and normally does not come out, however, in some radioactive atoms the sends some part of the energy as radiation.
Thus, the correct answer is - D. the energy stored inside the center of an atom.
Answer:
An emission spectrum.
Explanation:
An element's emission spectrum is the intensity of the electromagnetic radiation of each frequency emitted by the atoms of that element during excitation. In the case of sodium vapor, when the vapor is excited by an applied voltage or an electric force or field, the atoms in the vapor emits a light spectrum.
Answer:
Lisa sold 75 boxes of cookies all together
Explanation:
The 1st week she sold 18 boxes of cookies
The 2nd week she sold 18 of cookies
The 3rd week she sold 12 boxes of cookies
The 4th week she sold 12 boxes of cookies
The 5th week she sold 15 boxes of cookies
So, number of cookies sold altogether is 18+18+12+12+15= 75
