Home
Earn $100 Online Daily. Work From Home. Click Here

What is the correct answer?

4

An element A has atomic number 7. It will have properties similar to the element with atomic number

A. 85

B. 57

C. 26

D. 51

Related Questions

Which of the following have maximum size? O2-, FF-, Na+ and Mg2+ are isoelectronic, the order of increasing size… Which of the following has minimum ionisation energy? Which of the following has the maximum size? Arrange the following set of atoms in the order of increasing atomic radius… The element with no definite place in the periodic table is Which of the following elements have maximum electronegativity? An element has atomic number 2. It belongs to The differentiating electron enters in the penultimate energy level in… Which of the following is an inert gas? The first atom with maximum number of d-electrons is with atomic number The pair of elements that exhibit diagonal relationship is The lightest metal is On moving across a period from left to right the ionisation energy increases… Which of the following is not an s-block element? The general electronic configuration of s-block elements is Which of the following has highest ionisation energy? Elements in the same vertical column has same Modem Periodic Law was given by With the increase in atomic number in a period of the periodic table Which of the following has maximum ionisation energy? 3.Atomic number of an element X is 34, it belongs to Law of octaves was given by In C, N, O and F the electronegativity Arrange the following set of atoms in the increasing order of electron… Which of the following has maximum electron affinity ? Lother Meyer plotted a graph of Which of the following have negative electron affinity? Which of the following species have minimum size? An atom of an element has electronic configuration (Ar) 4s23d5, the…