Use the periodic table to answer the questions below.

Which diagram shows the correct electron configuration for nitrogen (N) ?

If each orbital can hold a maximum of two electrons, how many electrons can 2s hold?

3. What is the substance ozone?

True or False: Heterotrophs obtain food molecules for energy and nutrition by eating heterotrophs or by eating and absorbing autotrophs

A closed vessel system of volume 2.5 L contains a mixture of neon and fluorine. The total pressure is 3.32 atm at 0.0°C. When the mixture is heated to 15°C, the entropy of the mixture increases by 0.345 J/K.

Is tar used to manufacture coal tar and coke

Which organ system has the principal function of protection, water retention, thermoregulation, vitamin D synthesis, cutaneous sensation and nonverbal communication?

1. What is the name of TiSe

Which of the following is a cost of recreational activities? A. Exercise B. Economic growth C. Noise D. Social interaction

There are three ways that heat can move from one place to another. Use examples pertaining to how heat is transferred from the sun to Earth and in the land, ocean, and atmosphere to explain all three.

What is temperature? A measure of the kinetic energy of a system. Energy of a system. How hot something is. A measure of density.