Groups of the Table
The elements in group 1 are known as __?
Alkali Metals?
The mass number of an element is made up of __.
The protons and neutrons
Which is the most reactive group?
Group 1
What group number has an EC ending in s2?
Group 2
Which of the following are metals?
Se Cl Be Xe
Be
What are the elements in group 2 known as?
Alkaline Earth Metals
The atomic number of an element shows ___.
The number of protons or electrons
Which way does reactivity increase?
Going down a group
What group number has an EC ending in d4?
Group 6
Which element ends in 3p1
Aluminum
What are the elements in group 18 called?
Noble Gases
Which metal is liquid at room temperature?
Mercury
Atomic radius increases as I go from _____ to ______ across a period.
right to left
All transition metals are in what block?
D block
Which element has 26 protons?
Iron (Fe)
What are the elements in group 17 called?
Halogens
What block are the elements that seem disconnected from the rest of the table?
The f block
Atomic radius increases as I go from _____ to ______ in a group.
top to bottom
Helium is part of which block?
S-block
What does the EC for oxygen end in?
2p4
What group numbers are transition metals found in?
3-12
Elements that exhibit traits of both metals and non-metals are called what?
Metalloids
Stair step
What comes after 4s2 ?
3d
Name an element smaller than Fluorine in period 2
Neon