Lithium has the electron arrangement 2,1. When lithium forms an ion,

what will its electron arrangement be? 2,2

2

2,8

2,8,2

How many problems are in an element with an atomic number of 8 and a mass number of 18?

Determine the rate law, including the values of the orders and rate law constant, for the following reaction using the experimental data provided. A + B yields products Trial [A] [B] Rate 1 0.30 M 0.25 M 1.2 * 10-2 M/min 2 0.30 M 0.50 M 4.

Why am i single?

What elements in the periodic table might combine with oxygen to form magnesium oxide?

The normal temperature range of the liquid phase of pure water is 0 degrees Celsius to 100 degrees Celsius. Which of the following aqueous solutions has the largest liquid phase range? a. 0.1M C2H5OH b. 0.1 M KBr c. 0.2 M MgBr2 d. 0.2 M MgSO4

The conversion of chemical energy to mechanical energy is best described by which example? A. sunlight warming the ground B. electricity boiling water C. fuel being combusted to power a rocket

he density of solid aluminum is 2.70. If a 1g peice of aluminum is dropped in a cup of water, it will sink to the bottomfloat to the tophover in the middle. (The density of water is 1.0

Match the action to the effect on the equilibrium position for the reaction N2 (g) + 3H2 (g) ⇌ 2NH3 (g). Match Term Definition Increasing the pressure A) Shift to the left Removing hydrogen gas B) No effect Adding a catalyst C) Shift to the right

The number of electrons in a neutral atom of hydrogen (H) atom is

What is buffer solution?