What is the electrical charge of an atom that has lost an electron?

A.) negative

B.) zero

C.) positive

D.) neutral

What would happen if Phosphorus disappeared?

If 15 g of kclo3 are stirred into 200 g of water at 25 c, how much of the kclo3 will dissolve? is the solution saturated, unsaturated, or supersaturated?

In a water molecule, which atom has the strongest attraction for shared electrons? hydrogen oxygen hydroxide ion both atoms attract electrons with equal strength neither atom attracts the electrons

Why is the frequency of the C=O stretch in the hydrogenation product higher than in ethyl cinnamate?

Round the following to three significant figures. a 17.5555 km 16 b. 1.0007 c. 23.34271d. 99.991

Many pain relief pills have powder that is enclosed inside a capsule. Why might this type of medicine work faster than a tablet if they both have the same amount and type of medicine?

The element silver has an atomic weight of 108 and consists of two stable isotopes silver-107 and silver-109. The isotope silver-107 has a mass of 107 amu and a percent natural abundance of 51.8 %.

A scientist uses materials in her lab to cut a DNA sample into fragments. What process is the scientist using? A. Gel electrophoresis B. Use of restriction enzymes C. Polymerase chain reaction (PCR) D. Karyotyping

Aluminum is more reactive than iron, yet it is used today for a variety of applications in which iron would corrode (cans, rain gutters, etc.).

Identify three types of coral reefs