Which of the following indicates a chemical change?

Question 7 options:

A. an exploding firecracker

B. a freezing ice cube

C. wood breaking into splinters

D. a wire conducting electricity

Explain why some parts of our planet have very little seasonal change. Where are these places?

State the number of significant 2804

The number of protons in an atom is known as that element's ...

Is cotton opaque or not

Where do the gaseous elements tend to be located on the table

For a chemical reaction to be spontaneous at all temperatures, which of the following conditions must be met? a. ΔS° > 0, ΔH° > 0 b. ΔS° > 0, ΔH° < 0 c. ΔS° < 0, ΔH° < 0 d. ΔS° 0 e.

What is a Binary Compound? Is it related to the Ionic and Molecular compounds? if so, how so?

Which answer correctly describes the difference between covalent and ionic bonds? A. ionic: transfer of protons covalent: transfer of electrons B. ionic: transfer of electrons covalent: transfer of protons C.

What are the first five elementsof the periodic table?

Name 3 characteristics that can be used to identify minerals