Chemical Bonding and Electronegativity

Which of the following statement is correct?

• Polar covalent bond and non-polar covalent bond involves equal sharing of electrons

• Polar covalent bond and non-polar covalent bond involves unequal sharing of electrons

• Polar covalent bond and non-polar covalent bond involves transferring of electrons

• Polar covalent bond involves unequal sharing of electrons while non-polar covalent bond involves equal sharing of electrons

Which of the following is a non-polar covalent bond?

• $F_2$

• $H_2O$

• $PH_3$

• $SO_2$

Which of the following is a polar covalent bond?

• $Cl$

• $CH_4$

• $H_2O$

• $O_2$

Which of the following is mostly like a covalent bond?

• $Al_2O_3$

• $CaCl_2$

• $KF$

• $CO_2$

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Given the electronegativity value; Q=0.8, R = 1.0, S = 3.0, T = 3.4, which pair of atoms has the highest tendency to form covalent bond?

• S and R

• T and S

• R and T

• Q and S

The chemical reaction between metal and non-metal usually form ionic compound. Which of the following is not an ionic compound?

• $Na_2O$

• $KCl$

• $H_2O$

• $LiCl$

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

NGSS.HS-PS1-3

Which one will form cation?

• Ar

• Ba

• Kr

• S

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which one will form cation?

• K

• H

• Ne

• Br

Tags

NGSS.HS-PS1-1

Which one will form anion?

• Cl

• Zn

• Ni

• Ca

Which one will form anion?

• Cd

• F

• Pt

• Au

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2