Yes a physical change can do that. A chemical change is like a burning candal
Answer:
Atoms of elements at the top of a group on the periodic table are smaller than the atoms of elements at the bottom of the group. ... The valence electrons of the larger atoms are farther from the nucleus and are easier to remove, so the metals near the bottom are more reactive than those at the top.
Answer:

Explanation:
The reaction we need to calculate:

1) 

We need the ClO in the products side, so we use the inverse of this reaction:


2) 

Now we need to combine this two:


The enthalpy of reaction:


Answer:
where are the answer choices
Explanation:
Radio waves.
From lowest to highest it is radio wave, microwave, infrared, visible light, ultraviolet, x ray, and then gamma.