Write and read the names of common chemical elements in the

Which group will have the least electronegativity among the following?

• 3

• 5

• 7

• 1

Which of the following elements will have the smallest atomic radius?

• Lithium

• Sodium

• Potassium

• Caesium

Which is the the strongest metal element in the periodic table?

• Fluorine

• Sodium

• Iodine

• Caesium

Which is the most electronegative element in the periodic table?

• Fluorine

• Sodium

• Iodine

• Caesium

Which is the non metal element in the periodic table?

• Iron

• Sodium

• Iodine

• Silver

In atoms, which shell's electrons determine the chemical properties of atoms of the element?

• the first shell

• The outermost

• The second shell

• The third shell

The total number of protons, neutrons and electrons in an element's atom is 52. Determine the atomic mass?

• 17

• 37

• 35

• 52

Given that the electron configuration of a phosphorus atom is?

• 1s22s22p63s23p6

• 1s22s22p63s23p4

• 1s22s22p53s23p5

• 1s22s22p63s23p3

The number of electron shells in the atoms of elments in period 5 is?

• 2

• 3

• 4

• 5

In the periodic talbe of chemical elments, the numbers of small periodis and large periods are?

• 3 and 3

• 3 and 4

• 4 and 3

• 4 and 4