The electron configuration for an atom is 1 s 2 2 s 2 2 p 2. How many electrons does the atom have?

A. 6

B. 2

C. 5

D. 4

Why does the suns energy warm earth more at the equator than at the poles

What forces act between molecules in a molecular compound and formula units in an ionic compound?

Red blood cells are placed in a solution and neither hemolysis nor crenation occurs. therefore the solution is

In what way can charge be like glue?

Consider the reaction mg (oh) 2 (s) →mgo (s) + h2o (l) with enthalpy of reaction δhrxn∘=37.5kj/mol what is the enthalpy of formation of mgo (s) ?

Sentences with the words kinetic energy of matter and temperature

Which of these describes chemical reaction The color of he substance

Use the information in the table below to answer the following question: Lake Volume Buffer (CaCO3) Concentration Squirrel Lake, 80,000 Liters, 2 mg/L Moose Lake, 100,000 Liters, 1.

Which of the following is a part of a land based carbon cycle? coral reefs Crab shells Trees Whales

What is common of volcanoes that have the most violent eruptions? A. They feature magma with very high silica content. B. They are shield volcanoes. C. They feature magma with low viscosity. D. They have no magma, but have much lava.