Question

vocabulary
draw a line to connect the following terms to their definitions.
1 nucleus
2 element
3 chemical symbol
a a pure substance made up of one type of atom
b letters that represent an element
c the central region of an atom

Explanation:

Match each term to its standard scientific definition:

1. The nucleus is the central core of an atom.
2. An element is a pure substance composed of only one kind of atom.
3. A chemical symbol uses one or two letters to stand for an element.

Answer:

1. nucleus - C. the central region of an atom
2. element - A. a pure substance made up of one type of atom
3. chemical symbol - B. letters that represent an element