The smallest subatomic particle is a(n)..

An example of a solute(something that dissolves)is...

A physical change..

the chemical symbol for potassium is..

The 2 in CO2 means ___ are present.

An atomic mass unit equals..

What is an example of a reversible physical change?

Which is an example of a chemical change occurring during food storage?

In food preparation, an example of a physical change is..

Chewing food would be an example of a..

Covalent bonds are formed when..

Which one involves a chemical change?

The number of electrons in the first shell(or orbital) that makes an atom happy and chemically stable is..

The number of electrons in the second shell(or orbital) that makes an atom happy and chemically stable is...

An example of an element is ..

An example of a compound is..

An example of a heterogenous mixture is

An example of a homogenous mixture is..

So the atomic number of Carbon is 6 and the atomic mass is 12.011. How many protons and electrons does Carbon have?

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