Grade Sem 1 1 3.1.5 Quiz: What Is Matter?
Question 2 of 5
Which two statements describe a mixture?
A. It includes atoms of different elements,
I B. It can result from chemical bonding.
I c. Its parts can be separated using physical means.
DIN D. It is a pure substance.

When does your body conduct current more readily?

Two point charges are on the y axis. a 3.90-µc charge is located at y = 1.25 cm, and a -2.4-µc charge is located at y = −1.80 cm. (a) find the total electric potential at the origin. v (b) find the total electric potential at the point whose coordinates are (1.50 cm, 0). v

The radius of an atom is closest in size to a