Why is hydrogen (H) placed with the elements in Group 1A?

When patients complain of fatigue they are usually referring to a lack of energy or motivation. which conditions listed in the table have fatigue as a symptom

electrolysis breaks down water to form hydrogen and oxygen gas. the word equation that represents this reaction is: water

How many grams of MgCl, will be produced from 16.0 g of Mg (OH), and 11.0 g of HCl?

You've made the hypothesis that the higher the density of a rock, the higher the temperature at which will melt, because a denser rock contains more material. What should the independent variable be in an experiment testing this hypothesis? A.

Why is soap used to remove grease? A. It chemically bonds with the grease. B. Its nonpolar end dissolves the grease. C. Its polar end dissolves the grease. D. It makes the water bond with the grease.

Does anyone know any good science fair projects for 8th grade? It will mean a lot if u do! Need one asap

If a 1.50 L gas sample is held at a constant temperature, and its pressure is changed from 2.30 atm to 3.60 atm, what will the final volume be?

Use this information to determine the number of valence electrons in the atoms. Which of the following correctly compares the stability of the two atoms?

What volume of 0.182 m na3po4 solution is necessary to completely react with 90.7 ml of 0.103 m cucl2?

Which is most likely why many scientists reject the cold fusion theory?