This type of burn mechanism is the result of a flammable gas or liquid that ignites rapidly and often the burn damage is to sin surfaces NOT covered by clothing:

A neutral atom has 20 protons and 21 neutrons. What is the electron configuration of the atom in order of first, second, third, and fourth energy levels?

A. 20 B. 2, 8, 10 C. 2, 8, 8, 3 D. 2, 8, 8, 2

The gram is the basic unit of ________ in the metric system.

Fill in the blank(s) with the appropriate word(s).