Graduation of elements properties in the modern periodic table

The nonmetallic property .............. gradually within group (7A) as we go from top to bottom.

• decreases

• increases

................... is the least metallic element in group (1A)

• Na

• Cs

• K

• Li

Each period in the periodic table starts with .....................

• metal

• metalloid

• nonmetal

• inert gas

Which of the following elements is a metallic element? ....................

• 12Mg

• 17Cl

• 8O

• 10 Ne

The electronegativity for 19K element is .................. the electronegativity for 11Na

element.

• greater than

• smaller than

• equal to

• no correct answer

What is the relationship between metallic property of an element and its atomic number in the group?

• Direct relationship

• Inverse relationship

........................ is the most non-metallic element in group 7A

• Iodine

• Fluorine

• Chlorine

• Cesium

Which graph represents the relationship between metallic property of an element and its electronegativity?

• 
• 

By increasing the atomic number within a period, the metallic property ................,

• decreases

• increases

By increasing the atomic number, the values of atomic sizes ................. in the periods

of the periodic table.

• decreases

• increases