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Periodic Table Exam
Review for exam on atoms, periodic table characteristics
Question | Answer |
---|---|
The number of protons and neutrons equal the | Atomic Mass |
Part of the atom found in the nucleus; has a positive charge | Proton |
Atom that has gained or lost electrons | Ion |
The center of the atom is called the... | Nucleus |
The Atomic Number tells... | How many protons an element has |
Part of the atom that, has no CHARGE!!! | Neutrons |
All matter is made up of | Atoms |
Fluorine is an element that... | will accept electrons |
If an element has the same properties Argon and Xenon but has a mass less then xenon and more then argon, which element is it? | Krypton |
If an element has 2 electrons on the 1st energy level, and 3 electrons on the 2nd level. Which element is it? | Boron |
Protons, neutrons and electrons are components of a/an | Atom |
Hydrogen does not have any _______ because 1-1=0 | Neutrons |
How many neutrons does Oxygen have | Eight |