Why is hydrogen placed in group one of the

periodic table?

Some rice farmers burn their fields after harvest to remove leftover plant material and kill certain plant pests. You are researching the health effects of smoke from the rice burning.

Measurements show that during the inflow part of a neuron cycle, about 5.6x10^11 Na + (sodium ions) per meter, each with a charge of + e, enter the axon. How many coulombs of charge enter a 1.5cm length of axon during this process?

Atomic bombs are a type of nuclear weapon. List three reasons people might be fascinated by something as dangerous as a nuclear weapon.

How do you measure one wavelength?

the mass of a material is 49 grams and the volume of the material is 14 cm ^3 what would the density of the material be?

An electron moved from a lower energy level to a higher energy level. What most likely happened during the transition? A random amount of light was released. A fixed amount of energy was absorbed. A fixed amount of energy was released.

Solid sodium reacts violently with water, producing heat, hydrogen gas, and sodium hydroxide. How many molecules of hydrogen gas are formed when 57.1 grams of sodium are added to water?

The distance from dalton, ga to Dallas, tx is 1308 km. What is the distance in miles

Which will melt faster: ice made from tap water, distilled water, or salt water?

You know that 8.9 moles of solute particles are dissolved in that liquid solution. If the molarity of the solution is 25 M, how many liters of solution do you have?