Identify the items in the list below that are examples of matter. Check all that apply

What is the energy of an electromagnetic wave with a frequency of 3 x 109 Hz? A. 5.96 x 10-17 B. 6.63 x 10-35 u c. 9.00 x 1017 D. 1.99 x 10-24

What is the oxidation processes of gaining oxygen?

1. The deepest that scientists have been able to drill is below the surface. A 100 kilometers B 6,000 kilometers C 3.8 kilometers D 12 kilometers

Which of the following compounds are nonelectrolyte? A) sodium bromide B) magnesium sulfate C) carbon tetrachloride D) calcium hydroxide

What are some ideas for a compound machine for my middle school invention science project that can be useful in people's daily lives? I need a explanation of why it's important.

Which statement best explains the plateau seen in the cooling curve of naphthalene? A) The energy of the system decreases B) The temperature of the system increases C) the temperature of the system decreases D) The energy of the system remains

A group of organisms that breed and produce offspring that can breed. A. Species B. ecosystem C. Biodiversity

The surface of the earth is divided into more than 50 large plates

What is the net ionic equation for AgNO3 (aq) + K2SO3 (aq) ?

Oil and water a combined to make salad dressing. Physical Change? Chemical Change? Both?