Subatomic Particles
This subatomic particle is found in layers called shells
What are electrons?
What is helium?
Helium is in this group of the periodic table
What is group 18?
This number on the periodic table tells you the number of electrons an atom has.
What is atomic number?
An atom that has an unequal number of protons and electrons.
What is an ion?
This subatomic particle has a neutral charge
What are neutrons?
This element is represented by the symbol Fe
What is iron?
Oxygen is in group 16, so it has this many valence electrons.
What is 6?
This shell can fit only two electrons
What is the first shell?
This element was made by humans - not found in nature.
What is (answers vary)
Together, protons and neutrons make up this part of the atom.
What is the nucleus?
This element has atomic number 8.
What is oxygen?
These elements don't need to bond with ANYTHING - they have full valence shells already!
What are noble gases?
I am an element that has 11 electrons in its neutral form.
What is sodium?
People used this element to make their watches and makeup glow...until they realized it was extremely harmful to health!
What is radium?
This subatomic particle has a mass of 1 amu and a charge of +1
What are protons?
This element has atomic mass of about 12
What is carbon?
Atoms in the 3rd period on the periodic table have this many electron shells
What is 3?
The ion with 4 protons and 2 electrons has this name, and this charge.
What is Be2+
This element's name comes from the latin "Kalium" (hint: the element doesn't even have a K in its name!)
What is Potassium?
This subatomic particle gives an element its identity and cannot be changed.
What are protons?
This element typically has zero neutrons
What is hydrogen?
An atom with too many or too few of these is often unstable.
What are neutrons?
This is the number of electrons an Oxygen ion with charge -2 has.
What are 10 electrons?
These are the only two non-silvery metals on the periodic table. You might find them in jewelry or wires.
What are gold and copper?