How do the properties of elements in the same row of the periodic table compare?

On a globe the equator is the

10. In what biome would you most likely find A? How is this animal adapted to survive in its biome?

Period # for hydrogen

Consider the balanced equation below. 8H2 + S8 - - - > 8H2S Based on the mole ratios, what can most likely be predicted? 1 mol of hydrogen will react with 1 mol of sulfur. 8 mol of hydrogen will react with 1 mol of sulfur.

Activation Energy is A. the heat released in a reaction. B. an energy barrier between reactants and products. C. the energy given off when reactants collide. D. generally very high for a reaction that takes place rapidly

How does the conservation of matter relate to balancing equations?

Ethanoic acid and 1-butanol can react to produce water and a compound classified as an 1) aldehyde 2) amine 3) ester 4) halide

Sodium metal reacts with water to form aqueous sodium hydroxide and hydrogen gas. which equation below best describes the balanced equation for this reaction?

2H2 + O2 - - > 2H2O If 16 mol of oxygen were reacted with excess hydrogen gas, how many moles of water would be produced?

Which subatomic particle identifies an atom as that of a particular element? how is this particle related to the atoms atomic number