An atom or a group of atoms possessing a positive or negative electrical charge is called a (n

A.) molecule

B.) compound

C.) element

D.) ion

Assume you have a syringe that is closed at the end. What would happen to the gas in the syringe if you pushed down on the plunger?

An unknown compound was decomposed into 63.2 g carbon, 5.26 g hydrogen, and 41.6 g oxygen. what is its empirical formula?

Use the E0 values of the following elements: Zn, Cu, Pb, and Al. Which element is the most active reducing agent?

What are the forces that hold sodium and chloride ions together?

Carbon-14 is an isotope used in carbon dating. The nucleus becomes Nitrogen-14 through beta decay. Its half-life is 5370 years. We can use this information to think about the large sample of 14C that is part of all organic matter.

Lithium-6 is 4% abundant and lithium-7 is 96% abundant. What is the average mass of lithium?

How many moles of Li3PO4 are in 2.2 L of a 0.6 M solution of Li3PO4? (remember Molarity=moles of solute/liters of solution)

An atom or a group of atoms possessing a positive or negative electrical charge is called a (n A.) molecule B.) compound C.) element D.) ion

Which is a pure substance?

What two characteristics of objects impact kinetic energy the most? Question 3 options: mass and weight velocity (speed) and distance mass and velocity (speed) mass and distance