Valence determines an atoms

What is silver + water (steam)

Consider the reaction between aluminum and oxygen in a closed container. The equation for this reaction is: 4Al + 3O2 - > 2Al2O3 What is true about this chemical equation? A.

When you read the label on a chemical container, what are the 3 most important pieces of information? (Choose three answers.) the concentration the volume the chemical name any hazard warnings the manufacturer

A sample of chlorine containing isotopes of mass numbers 35 and 37 was analysed in a mass-spectrometer. How many peaks corresponding to Cl+2 were recorded? A 2 B 3 C 4 D 5 Ans: B

The law of the conservation of mass states that the total mass before and after a

Which are forms of asexual reproduction

Which of the following is true about homogeneous mixtures? A. They are known as solutions B. They consist of two or more phases C. They have compositions that never vary D. They are always liquids

Formation of magnesium chloride

The following forces act on an object: 3N left, 2N up, 1N right, 2N down. What is the total force on the object? Give the size and direction.

Wetlands provide habitats for many living things because of their sheltered waters and