What causes each new row in a periodic table

Which of the following is the best description of how electrons are transferred in an ionic bond?

Wilma dissolves 10,00 grams of glucose with water and the final volume of solute and solvent is 66.67 mL. What is the concentration of glucose in her solution? a. 10% (m/v) O b. 15.% (mv) O c. 25 % (m/v) d. 30.% (m/v) e. None of the above.

The four types of mountains are folded, up warped, volcanic, and fault-block. true or false

A sample of gas has a mass of 0.673g. Its volume is 250.0mL at a temperature of 83 degrees C and a pressure of 747 torr. The sample is composed of which of the following gases? (A) Xe (B) Ar (C) SO3 (D) CO2 (E) H2

2h2o → 2h2 + o2 describe the mass of the reactants and products given the balanced chemical reaction. a. the mass of the products is 2 3 that of the reactants. b. the mass of the reactants equals the mass of the products. c.

Why does a neutral solution have a of 7.0? In a neutral solution, the [H3O+]=1*10^-7 at 25∘C. pH=-log[1*10^-7]=7.0. In a neutral solution, the [H3O+]=1*10^7 at 25∘C. pH=log[1*10^7]=7.0. In a neutral solution, the [H3O+]=1*10^14 at 25∘C. pH=0.

Which type of bond would most likely be found in HBr

Which halogen is most likely to react? a. Br (bromine) b. F (fluorine) c. I (iodine) d. Cl (chlorine)

In the formula for water (H2O) what does the subscript 2 indicate?

Balance the nuclear reaction equation for the beta minus decay of nickel-63 by completing the missing numbers. The superscript of nickel is . The subscript of copper is .