The electron
periodic table
the nucleus
elements
other
100
outside the nucleus
Where is the electron found?
100
Sodium, Lithium, Potassium, Rubidium, Francium, Cesium
What are the alkali metals
100
protons and neutrons
What is found in the nucleus
100
Fe
What is the symbol for iron?
100
has different number of protons and electrons (is charged)
What is an ion
200
negative
What is the charge on an electron
200
magnesium, beryllium, calcium
What are the alkali earth metals
200
determines the type of element
What are the number of protons
200
the smallest piece of matter with an identifiable properties
What is an element?
200
atoms of the same type with different masses
What is an isotope?
300
negligible
What is the mass of an electron?
300
Helium, neon, argon, krypton, xenon
What are the nobel gases
300
Number of protons and neutrons
What makes up the mass of the atom
300
Hg
What is the symbol for mercury?
300
To become energetically stable
Why are ions formed?
400
In shells
Where are electrons located outside of the nucleus
400
Same characteristics
What does a family show?
400
Has a positive charge
What kind of charge does the nucleus have?
400
they are unreactive
What defines the noble gases?
400
furthest from the nucleus
Where are electrons with lots of energy found?
500
2,8,8,8,8,8,8
What are the numbers of electrons in the electron shells
500
Same number of valence electrons
What does each family member have in common?
500
oxygen
What element has 8 protons
500
Li.
What is the Electron Dot diagram for lithium?
500
repel
What do like charges do?
M
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