Give the formula of the chlorine ion

What is the density of the mineral sample in g/cm3?

Which best explains heating by convection? Air molecules touch the warm ground, heating them up. Warm air rises and takes heat with it; eventually it cools and sinks. Sunlight travels through space without the aid of fluids or solids.

What groups of elements do not have a charge and why

Which statement best describes how the temperature of the ocean's surface water varies A. areas with a low salinity have the coldest water B. areas close to the poles have the warmest water C. areas at high altitude have the coldest water D.

For each reaction, identify the substance being oxidized and the substance being reduced.? A.) Mg (s) + Br2 (g) →MgBr2 (s) substance being oxidized: substance being reduced: B.

How many electrons should we expect to see associated with the lowest energy peak in the photolectron spectrum of the element gallium (ga) ?

What happens to the gravitational force between two objects when their masses are increased? What happens when the distance between the objects increases?

What reagent is need to convert 2-methylpropene to (CH3) 3COH

Which of the following is used to separate the parts of mixtures a. Atomic number. B. Physical properties. C. Microscopes. D. Burning

What mass of nitrogen gas is required to react completely with 2.79 g of hydrogen gas to produce ammonia?