Which of the following prefixes represents the largest value? 1:giga 2:hector 3:kilo 3:milli

What are mixtures. explain its type with examples

A lithium atom has an atomic number of 3 and a mass of 7. The number of electrons which it has in the 1st shell (principal energy level) is?

1 poir 14. Which of the following is NOT a requirement for a reaction to be classified as combustion? (1pt) * A. One of the reactants is 02 B. One of the products is CO2 C. One of the products is H20 D. One of the reactants is CO

Which of the following is NOT true of solutions? Solutions are also homogeneous mixtures Dissolved particles in a solution are too small to be seen with the naked eye Dissolved particles in a solution can be removed by pouring the solution through a

How many formula units are in 6.12 kg of lithium nitride

Por qué dos iones sodio reemplazan un ion de calcio o de magnesio

How and when did scientists discover cells

How many grams of compound are present in 4.18 grams of K2HPO4

What does the first law of thermodynamics say? A. Energy cannot be stored in any form. B. Energy cannot be created or destroyed. C. Energy cannot move within a system. D. Energy cannot enter or leave a system,

How did the experiement with the iron filings and sulfur compare with the experiment in which copper sulfate pentahydrate was heated? Both resulted in gas formation. Both resulted in color change. Both involved chemical change.