How many electrons can the first energy level hold

2 electrons

Explanation:

the first shell can hold up to 2 electrons, the second shell can hold up to 8 electrons and the third shell can hold up to 18 electrons

- "the choice that is not an indicator of a chemical change is "state of matter changes". more common than not, chemical reactions produce energy in the form of light or heat. along with energy, they also produce a new substance called the product that could be in any state of matter (solid, gas, or liquid)."

the correct answer would be d. hope this !