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How to read the periodic table
Static electricity
Molecules
Atoms & Elements
100

The atomic number of an atom is 9. What element is it?

Flourine

100

What part of an atom moves to create static electricity?

The electron

100

What is a molecule, and how do you identify one?

A molecule is a group of atoms, and usually written in letters and numbers, like CO2 or H2O

100

An atom has five protons, six neutrons, and four electrons. What element is this?

Boron

200

The atomic number of an atom is 12. How many protons or electrons does it have?

12

200


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What is this atom?

Lithium

300

The atomic number of an atom is 18. How many neutrons does it have?

19

300

Which is larger, a proton or an electron?

A proton