Structure of an Atom
The three subatomic particles.
What is Proton, Neutron, and Electron?
How many groups and periods are there in the periodic table
18 groups, 7 periods
Define electron configuration
Is the way scientists describe the location of the electrons around the nucleus
Write the Electron Configuration of Hydrogen.
1
The energy required to remove an electron from an atom is_____?
Ionization energy
The charges of the subatomic particles.
What is Proton is positive, Neutron has no charge, and Electron is negative?
What group is Argon in?
Noble Gases, group 8
how many electrons can the first 3 shells hold
2, 8, 8
•Within a given column on the periodic table, all elements have the same number of _________.
What is Valence Electrons?
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The location of the subatomic particles in the atom.
Where is Protons and Neutrons are in the nucleus and electrons are outside the nucleus.
What group is Iodine in?
group 7
Anions
•Anions are atoms that have gained electrons in order to achieve an octet.
How do you write an Electron Configuration?
Step 1: Locate the Element and write down the row number.
Step 2: Write the Chemical Symbol
Step 3: Draw the circles around the chemical symbol (the row number)
Step 4: Find the Atomic Number (No. of Protons = No. of Electrons)
Step 5: Draw electrons from inner circle to outer circles
What is Electron negativity?
An atoms ability to steal an electron
What are the subatomic particles for Oxygen?
-8 protons
-8 neutrons
-8 electrons
Decription of a Metal.
-Shiny, malleable, and ductile
-Good conductors of heat and electricity
-Electron Donor
Ions
•Atoms that have lost or gained electrons.
–To obtain the octet rule.
Write the configuration for Neon.
2, 8
Why does an Atomic Radius increase as you move down a group?
With each step down the family, we add an entire energy level to the electron cloud, making the atoms larger with each step.
What are the subatomic particles for Potassium?
-19 neutrons
-20 protons
-19 electrons.
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Cations
•Cations are atoms that have lost electrons in order to achieve an octet.
Write the Electron Configuration of Copper.
2, 8, 8, 11
What is an electron giver and taker?
•Metals are electron givers and have low electronegativities.
•Nonmetals are electron takers and have high electronegativities.