An atom has 25 protons, 20 neutrons, and 19 electrons. Which atom is this, What is the atom's mass number?

Describe why granulated sugar will dissolve faster in a cup of coffee than sugar cubes.

What is the name for the ionic compound (NH4) 2C2O4

The abbreviation mm represents a. micrometer. b. millimeter. c. milliliter. d. meter.

Ashley and her family had a large pizza delivered to their house. The aroma of the pizza spread throughout the house by osmosis diffusion conduction radiation

How do we use chemistry in our everyday life?

To what chemical reaction class does this reaction belong? 2 mg (s) + o2 (g) 2 mgo (s)

Which best illustrates how particle arrangement changes when solids change into liquids

Express in scientific notation (6.0x10^4) (3.1x10^-1)

How do you measure the mass of a liquid?

Given the following information, calculate the mass for B-11. B-10 has a natural abundance of 19.9 percent, while B-11 has a natural abundance of 80.1 percent. The mass of B-10 is 10.013 amu.