Attempts of elements classification and modern periodic tab

In Moseley's table, each element exceeds the preceding element in the same period by one

• neutron

• proton

• energy level

• atomic mass

The alkali Earth metals are located in the.............. of the periodic table.

• left

• bright

• middle

• bottom

The number of p-block elements in each period of the periodic table, (except the 1st period), is

• 6

• 2

• 10

• 14

The block contains most types of elements.

• s

• p

• d

• f

The zero group in the modern periodic table belongs to

• s-block

• p-block

• d-block

• f-block

The zero group includes

• metals

• metalloids

• inert gases

• non metals

Among nonmetals is

• magnesium
• sodium

• strontium

• bromine

___________is a solid halogen.

• Fluorine

• Chlorine

• Bromine

• Iodine

The 4th period contains elements from the blocks__________

• s and p

• s, d and p

• f and p

• f-block

The elements of d block are known as _________

• inert elements

• transition elements

• alkali metals

• alkaline earth metals