If an object loses electrons will it be positively charge or negativey charged

What is an example of chemical change

What evidence would support Maria's claim that the fossilized remains are that of a bird, class Aves, instead of a turtle, class Reptilia? A) the eggs B) a backbone C) a keeled sternum D) warm-bloodedness

Use the drop-down menus to complete each statement about eubacteria and archaebacteria. are referred to as "true bacteria." are prokaryotes. are single-celled bacteria. y are bacteria that live in extreme environments.

If 22.50 mL of a sodium hydroxide solution is necessary to neutralize 18.50 mL of a 0.1430 M HNO3 solution, what is the concentration of the NaOH? (Report your answer in molarity.)

An open flask sitting in a lab fridge looks empty, but we know that actually it is filled with a mixture of gases called air. if the flask volume is 1.

Explain why ice is able to float on water

Lewis dot structure for F2 (g)

Suppose a student did not fully redissolve the Al (OH) 3 that initially formed upon the addition of H2SO4. Predict and explain how this would impact the apparent percent yield this student determines.

A 20.00 g milk chocolate bar is found to contain 12.00 g of sugar. How many milligrams of sugar does the milk chocolate bar contain?

Sedimentation is least likely to occur