Nickel (Ni) is commonly used in making various alloys due to its strength and corrosion resistance.

Neodymium (Nd) is a lanthanide element, while the others belong to different series.

Nitrogen can form a triple bond, as seen in N2, where three pairs of electrons are shared between the two nitrogen atoms.

Magnesium has the electronic configuration [Ne]3s².

Uranium is an f-block element as it is part of the actinides series.

Bromine is a halogen, located in group 17 of the periodic table.

Boron is classified as a metalloid in the p-block elements.

Neon is a noble gas, which is characterized by its lack of reactivity.

Aluminium (Al) is in group 13 of the periodic table, which is classified as a p-block element.

Copper (Cu) is known for forming complex ions due to its ability to coordinate with ligands.

Platinum (Pt) is widely known for its catalytic properties in various chemical reactions.

Chlorine (Cl) is a non-metal and is most likely to form covalent bonds.

Fluorine (F) is highly electronegative and readily forms anions (F-).

Chlorine is most likely to form an ionic bond with sodium as it readily accepts an electron to achieve a stable electron configuration.

Sodium is most likely to form an ionic bond as it readily loses an electron to form Na+.

Sodium is most likely to form an ionic bond as it readily loses an electron to form Na+.

Chlorine (Cl) is a non-metal and tends to form covalent bonds.

Sodium is an s-block element, while Boron, Carbon, and Nitrogen are p-block elements.

The equation x² + 4x + 4 = 0 has roots -2 and -2, which are both negative.

Uranium is commonly used in the production of nuclear reactors due to its fissile properties.

The nature of the reactants does not affect the position of equilibrium. Changes in concentration, temperature, and pressure can shift the equilibrium position according to Le Chatelier's principle.

A catalyst speeds up the rate of reaching equilibrium but does not affect the position of equilibrium itself.

The color of the reactants does not affect the rate of a chemical reaction. The other factors directly influence the reaction rate.

Iodoethane is the most reactive due to the weaker C-I bond compared to C-Br, C-Cl, and C-F bonds.

C≡C (triple bond) has the highest bond energy due to the strong attraction between the two carbon atoms.

Lithium (Li) has the highest ionization energy among the given options.

CH4 (methane) has the lowest boiling point due to weak London dispersion forces compared to the other molecules.

C4H10 (butane) is a saturated hydrocarbon, containing only single bonds.

Mn2+ has a d5 configuration as it loses two electrons from its 4s and 3d orbitals.

All of the ions Na+, Cl-, and Mg2+ have achieved a stable octet configuration.