Which of the following occurs when substances undergo chemical changes?

bonds between atoms are broken and new bonds are formed.

atoms change from one element into another element.

old atoms are destroyed and new atoms are created.

atoms change in size and shape to form new substances.

Bonds between atoms are broken and new bonds are formed.

If these are the missing choices: a. to determine skin temperature, place the back of your hand against the patient's skin.b. determine body temperature by touching the patient's hands and feet.c. skin temperature will tell you very little about this patient's condition or well-being.d. the patient's skin temperature and color will likely be warm and red.my answer is: a. to determine skin temperature, place the back of your hand against the patient's skin. using the back of the hand to check for temperature rather than the palm is more effective because the back of the hand has more nerves that can feel and transmit the temperature than the palm.