Who first proposed the idea of an atom?

1. a) What type of compound are lithium fluoride and sodium oxide? Explain your answer.

The maximum contaminant level (MCL) set by the EPA of thallium in drinking water is 0.0020 mg/L. Convert the MCL of thallium from milligrams per liter to parts per billion (ppb).

Why is 6-decene not possible?

Sprinters set in the starting blocks at the beginning of a race rely on what kind of energy conversion

If the electron configuration of an element is 1s22s22p63s23p5, the element is a. iron. b. bromine. c. chlorine. d. phosphorus.

In the formula for water (H2O) what does the subscript 2 indicate?

Balance the nuclear reaction equation for the beta minus decay of nickel-63 by completing the missing numbers. The superscript of nickel is . The subscript of copper is .

What is the velocity of a BB pellet that is 0.02kg and has 36 J of KE

What is the pH of a 1.0 X 10 - M solution of nitric acid?

Maria examines a mixture that appears to be the same throughout. However, when she looks at a sample using a magnifying lens, she can see small droplets of liquid surrounded by another liquid.