Tiny bits of matter exist that are so small that even some of the most powerful microscopes cannot see them. Which of the following statements is true about one of these tiny bits of matter?

Why did chlorofluorocarbons become so popular in homes?

Which of the following properties is not typical of most metallic elements?

What is the name of the ionic compound Ca3P2?

When a pot of water is left to boil on a stove, water droplets sometimes are observed forming on the cool glass of the kitchen windows. What change of state occurs when these water droplets form on the windows?

What atom has 12 protons in its nucleus, 2 electrons in its first electron shell, 8 electrons in its second electron shell, and only 2 electrons in its third electron shell?

What is the name of the ionic compound Mg4N2?

Which of these features might be created by glaciers?

__________is caused by plaque buildup in the arteries that block blood supply to the heart.  The first sign of this disease is often a heart attack.

On the scene of a neonatal resuscitation of a newborn in cardiac arrest, EMTs have dried the infant, warmed and stimulated the baby without response. They are ventilating with BVM and supplemental oxygen, and started chest compressions. What is the first step of the ALS crew as they arrive?