The number of atoms in exactly 12 grams of carbon-12 is called

What are the defining characteristics of matter

What is the full chemical name for CaPO4•2H2O

What does a clam shell have a good possibility of being preserved? A. Because it is a hard body part B. Because it is a soft body part C. Because it is alive D. Because it is dead

Which statement is true about elements in a period on the periodic table? They have different properties that repeat across the next period. They have different properties that show no pattern. They have similar names. They have similar properties.

What is the most common way atoms combine

What substance is not a compound

Consider the following exothermic reaction and predict how the change below will affect the concentration (increase, decrease, stay the same) of each component in the system as the equilibrium is reestablished.

How does the electron structure of atoms change when they form chemical bonds

What is the scientific notation for 1073

What is the force that opposes the sliding motion of two touching surfaces?