Question

13 fill in the blank 5 points atoms of the same element that have different numbers of neutrons are called type your 14 fill in the blank 5 points a type your answer... property is a characteristic that can be observed or measure 15 fill in the blank 5 points a chemical property describes the substances potential to undergo chemical reaction or

Explanation:

Atoms of the same element with different neutron - counts are known as isotopes. A characteristic that can be observed or measured is a physical property.

Answer:

1. Isotopes
2. Physical