Atomic Structure
Energy Levels and Electrons
Element Families
Potpourri
More Review
100
The area where negatively charged electrons arranged in energy levels travel around the nucleus.
What is the electron cloud?
100
In the formula, 2n^2, used to determine the maximum number of electrons that can occupy an energy level, n represents this.
What is the number of the energy level.
100
These used to be known as the inert gases.
What are noble gases?
100
An energy level can hold more electrons as the distance between it and the nucleus does this.
What is increase?
100
Each column in the periodic table contains one of these.
What is an element family?
200
The different positions for electrons in atoms.
What are energy levels?
200
These parts of atoms are responsible for many of an element's physical and chemical properties.
What are electrons?
200
Members of this element family are in Group 1.
What is Alkali Metals?
200
Relative to the size of the nucleus, electrons are very______
What is small?
200
Neon has this many electrons in its outer energy level.
What is 8?
300
This is at the center of every atom.
What is the nucleus?
300
Elements in the same family have this in common, which explains why they share many of the same chemical properties.
What is the same number of electrons in their outer shells?
300
Each period in the periodic table ends with this type of element.
What is a stable element?
300
Because its outer energy level is closest to the nucleus, fluorine is the most _______________ of all halogens.
What is the most reactive?
400
The number of protons is _____________ to the number of electrons in a neutral atom.
What is equal?
400
This is the force that holds two atoms together.
What is a chemical bond?
400
Each element in this family has one outer energy level electron.
What is the Alkali Metal family?
400
Energy level 2 can hold this many electrons.
What is 8?
400
When atoms bond with other atoms, each atom becomes more _________
What is stable?
500
The exact location of this cannot be determined by scientists.
What is any one electron?
500
The chemical symbol of an element surrounded by as many dots as there are electrons in its outer energy level.
What is an electron dot diagram?
500
The reactivity of the members of the halogen family decreases as the outer energy levels ________________
What is get farther from the nucleus?
500
Scientists use these to show how atoms bond with each other.
What is an electron dot diagram?
500
It is the maximum number of electrons energy level 4 can hold.
What is 32?
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