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Atomic Number 12
Magnesium
How many neutrons does Potassium have?
20
How many liquids are on the periodic table?
2
What are the two parts of the nucleus?
protons and neutrons
The atomic number is the same as what atom part?
Protons and electrons
What mass of the atom comes from which two parts?
Protons and Neutrons
What is a metaloid?
Has properties of metals and non-metals
Which element is in group 13, period 3?
Aluminum
Where are the noble gasses found?
Group 18
Which element is shown?
Oxygen
If Neon has atomic number 10, how many electrons are in the last ring of Neon?
8
If Beryllium has 4 protons, 4 electrons and 5 neutrons, what is it's atomic number?
4
How many neutrons does Boron have?
6
How many electrons does Helium have?
2
Which element is in Group 2, period 4?
Calcium
Which part of the atom has a negative charge?
electron
