Chemistry
Write the correct symbol > (greater than) or < (less than) in the statements :
(i) The ionization potential of potassium is ………. that of sodium.
(ii) The electronegativity of iodine is ………. that of chlorine.
Related Questions
Select the answer from A, B, C and D : An element with the atomic number 19 will most likely combine chemically with the element whose atomic number is:
- 17
- 11
- 18
- 20
Identify the term in each of the following :
(i) The tendency of an atom to attract electrons to itself when combined in a compound.
(ii) The electrons present in the outermost shell of an atom.
Use the letters only written in the Periodic Table given below to answer the questions :
I II III IV V VI VII O 1 L 2 Q E G J Z M 3 R 4 T (i) State the number of valence electrons in atom J.
(ii) Which element shown forms ions with a single negative charge?
(iii) Which metallic element is more reactive than R?
(iv) Which element has it's electrons arranged in four shells?
Fill in the blanks by selecting the correct word :
(i) If an element has a low ionization energy then it is likely to be ………. (metallic/non metallic).
(ii) If an element has seven electrons in it's outermost shell then it is likely to have the ………. (largest/smallest) atomic size among all the elements in the same period.