How many electrons are located in the valence energy level of elements of Group 15?

a-2

b-3

c-4

d-5

Write the balanced net ionic equation for a solution formed from AgNO3 (aq) and K2S (aq)

What is iriduim satellite?

a speed bump is a raised ridge that runs across the surface of a street, a parking lot, or driveway. What is the purpose of a speed bump, and how is it similar to activation energy?

Plants contain xylem and phloem tissue. What organ system in animals performs a similar function as those in plants?

Of the following choices, the maximum a longitude reading with its correct compass direction is (1) 90°N (2) 90°E (3) 180°N (4) 180° E

How did the invention of the spectroscope in 1859 change the science of chemistry

Will zinc and sodium carbonate react?

What fraction of carbon 14 remains in an animal frozen in a glacier 18000 years ago?

How do you convert the number of molecules of a substance to the number of moles? a. add Avogardo's number b. subtract Avogardo's number c. multiply Avogardo's number d. devide Avogardo's number

Give 3-5 pieces of evidence to support why cloning is bad.