What is true of a compound?

It does not always retain the properties of the substances that make it up

It requires electrical energy to make

It requires heat energy to make

It must have water as one of its components

What structure is found in some but not all plant cells

5 adjectives for metal

Which of the following is NOT a homogeneous mixture? A) salad B) honey C) soy sauce

An unknown element has an atomic number of 6 and an atomic mass of 13. based on this information what is the identity of this unknown element

C. If 62.9 g of lead (II) chloride is produced, how many grams of lead (II) nitrate were reacted?

A neutral atom has high electronegativity. Describe what happens to this atom during ionic bond formation?

Which daughter element is produced from the beta decay of 89/36 kr

What is "change" when we are talking about natural and physical systems? A. Information that has been proven to be true B. Repeated processes that are used in a variety of ways C. A process for using knowledge and skills to acquire new knowledge D.

1. The sum of the pH and the pOH must always be equal to a constant value. What is the numerical constant?

What concentration of the lead ion, pb2+, must be exceeded to precipitate pbf2 from a solution that is 1.00*10-2 m in the fluoride ion, f-? ksp for lead (ii) fluoride is 3.3*10-8?