What part of two atoms combine to form a heavier element

Suppose you have two 100-mL graduated cylinders. In each cylinder there is 40.0mL of water. You also have two cubes: one is lead, and the other is aluminum. Each cube measures 3.0cm on each side.

Potassium iodide (KI) combines with mercury chloride (HgCl2) to form potassium chloride (KCl) and mercury iodide (HgI2) during a double replacement reaction. Which of the following shows the balanced chemical equation for this reaction?

What state of change do atoms or molecules become more ordered?

1. explain how you would make 100 mL of a 2.0% (w/v) solution of sodium chloride? 2. How many grams of magnesium sulfate are required to make 250 mL of a 1.6% MgSO4 (m/v) solution? 3. A solution contains 2.7 g of CuSO4 in 75 mL of solution.

What is an example of reactivity? O A. Sugar dissolving O B. Brass tarnishing O c. Rain falling O D. Water freezing

What volume of gold would be equal in mass to a piece of copper with a volume of 101 ml? the density of gold is 19.3 g/ml; the density of copper is 8.96 g/ml?

What does condensation mean in the water cycle?

An organism's unique characteristics affect the individual's ability to survive in its environment. true or false

What is the difference between a chemtrail and a contrail?

How do you dispose of an unknown chemical