What is the chemical symbol of the element often used to fill balloons?

Does being creative in doing science mean that a science should make up? Why?

4. Describe a dominant trait. What do we use to represent dominant alleles?

Using the equation below, calculate the number of grams of CO that can react completely with 78.9 g Fe2O3 Fe2O3 (s) + 3CO (g) → 2Fe (s) + 3CO2 (g)

Which of the following best explains what happens when the kinetic energy of particles in a liquid state increases? They move slowly enough that the particles are no longer held together, resulting in a gas.

How to balance reaction equations

Lithium (Li) and oxygen (O) are both in period 2. They both have? a. similar properties b. the same number of protons c. two electron shells d. the same number of electrons

What compares a law and a theory?

Explain what domain would best be represented by the "?" in the diagram. A) Eukarya because the organisms are all eukaryotic. B) Eukarya because the organisms are all prokaryotic. C) Bacteria because some of the organisms are autotrophs.

If you are eating a hamburger, it is an example of a consumer eating another consumer. a) true b) false

What mass of NaNO3 is needed to make 3.5 L of 2.2 M solution? (Na = 23.0g, N=14.0g, O=16.0g) Explain in steps