Electron Configuration
How many electrons fit on the first energy level?
2
What number tells you the number of protons and electrons?
Atomic Number
H
Hydrogen
Atomic radius will ________ is it goes from left to right, and __________ as it goes from top to bottom
decreases, increases
This group has a silvery appearance and are soft enough to cut with a knife. They are found in Group 1.
Alkali Metals
What is Flourine's electron configuration?
1s22s22p5
How do you figure out the number of neutrons?
Subtract the atomic number from the atomic mass
I
Iodine
Which has a larger electronegativity- Phosphorus (P) or Sulfur (S)?
Sulfur (S)
The group 2 metals are to reactive to be found in nature as free elements.
Alkaline-Earth Metals
I have a electron configuration of [Kr]5s24d9. What element am I?
Silver (Ag)
How do you find an element's atomic mass?
Add the number of neutrons and the number of protons together
Fe
Iron
Which one has a smaller atomic radius- Boron (B) or Potassium (K)?
Boron (B)
These are good conductors of electricity and have metallic properties. They are found in the middle of the periodic table.
Transitional Metals
Sodium (Na)
What subatomic particle is not inside the nucleus?
Electrons
Potassium
K
Which one has a smaller electron affinity- Carbon (C) or Titanium (Ti)?
Titanium (Ti)
These are the most reactive nonmetals. They are found in group 17.
Halogens
What element will end in 6p6?
Radon
I am a halogen and I am in period 5. What element am I?
Iodine
Gold
Au
Put the following elements in order from least to greatest Atomic radius.
Oxygen, Fluorine, Copper, Calcium, and Iodine
Fluorine, Oxygen, Iodine, Copper, and Calcium
These are in group 18 and are the least reactive elements because of their complete octets.
Noble Gases