Lesson Review Vocabulary
Fill in the blank with the term that best completes
the following sentence.
1 The way light bounces off a mineral's surface is
described by the mineral's
2 The color of a mineral in powdered form is the
minerals
3 Each element is made up of only one kind of

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.