Which of the following is the electron configuration for an electrically neutral atom of beryllium(be)?
1s^2 2s^2

1s2^2s2^2p^6

1s^22s^22p^4

1s^22s^22p^44d^2

**40** points asapessay questions (10 points possible) clear image of next, create your own scenario. it can be one of your own real experiences or one you make up. use imagery in your writing to give your instructor a the setting and an action taking pace in your writing explain the structure and functions of the skin at work in your scenario. !

What are the resulting coefficients when you balance the chemical equation for the combustion of ethane, c2h6? in this reaction, ethane is burned in the presence of oxygen (o2) to form carbon dioxide (co2) and water (h2o). (g)+(g)→(g)+(g)

How many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work