Columns that go up and down on the periotic table are called?
Groups
What group are noble gasses
group 18
sodium
Period 3
The 4th lightest metal
Magnesium
The periotic table is organized least amount of (ANSWER) to greatest amount of (ANSWER).
Protons
The first Metal on the periodic table is?
Aluminium
group 13
Antimony
Period 5
The 5th lightest metal
Aluminium
What 2 particles make up the Nucelus
Protons and Neutrons
In what period can we find the multivalent metals with 4 possible charges?
A) 6 B)7 C)8 D)9
B) 7
Cesium
Group 1
Selenium
Period 4
The Heaviest Non Metal
Iodine
Non reactive group of non metals.
Noble gases
Elements along the stair case of the periotic table.
What is Metalloids?
How many elements are in group 18
A) 7 B) 6 C) 9 D) 8
Radon
Period 6
The 10th lightest element in period 4.
Cobalt
The number of electrons on the outer shell.
valence electrons.
Ununseptium, the only element on your periodic table with a ? has an atomic mass of 293.
True or False
False, 294
group 1 elements reactivity?
A) Extreme B) Low
C) Medium
extremely reactive
Erbium
Period 6
The element with 5 Neutrons.
Beryllium