Which of these properties is the best one to use for identification of an element? 1.the number of neutrons in the atomic nucleus
2. the number of protons in the atomic nucleus
3.the number of isotopes that are formed by the element
4. the number of charges on ions of the elemen

2 - The number of protons in the atomic nucleus

A different number of protons in the nucleus changes the element, and each element in the periodic table has its own proton number.

answer and explanation;

composition refers to both the types of minerals within a rock and the overall chemical makeup of the rock while texture refers to the size and arrangement of the minerals or grains that make up a rock. both composition and texture can be used to classify rocks, such as igneous rocks. texture describes how the rock became solid or crystallized from liquid, melted rock. composition of a rock describes the minerals that make up a particular rock.