What Group IA (1) ion has the electronic arrangement shown 1s22s22p6

Which statement concerning the elements fluorine, chlorine, bromine, and iodine is FALSE?

A flask contains 145.675 mL of a saline solution. If 24.2 mL of the saline solution are withdrawn from the flask, how should the volume of the saline solution that remains in the flask be reported?

What is the density of a solid object that has the following measurements? mass = 189.6 g, length = 9.80 cm, width = 46.6 mm, height = 0.111 m.

What is the general name given to the elements of Group IA (1)?

What is the ground state electron configuration of sulfur, whose atomic number is 16?

Which statement about the modern periodic table is FALSE?

A chemical reaction releases 44.3 kJ of heat. What is the equivalent amount of heat expressed in calories? [1 cal = 4.18 J]

When hydrogen (H2) and chlorine (Cl2) gases are mixed, hydrogen chloride (HCl) is produced. Hydrogen chloride is classified as what type of matter?

What is the ground state electron configuration of sulfur, whose atomic number is 16?