Se dau atomii: Mg, Br, H, O. Scrie formulele chimice ale substantelor obtinute prin combinarea atomilor specificati ( cate 2 tipuri de atomi, identici sau diferiti). Cerinte: 1. Denumirea substantelor 2. Tipul legaturii dintre atomi 3. Modelarea formarii legaturii chimice indicatii Mg = grupaII A; Br = grupa VII A; O = grupa VI A

Which of the following statements concerning the influence of culture on ethnic identity formation is accurate? a. one will reject ethnic identity if cultural stereotypes are encountered. b. if one’s ethnic city is different from the dominant cultural group, then one’s ethnic identity you will become weekend. c. if an the ethnic group is excepted by dominant culture, then ethnic identity formation can be a difficult process. d. similarity to the dominant culture can determine how easy it is for one to except ethnic differences.

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

Consider the following reaction at equilibrium. 2co2 (g) 2co (g) + o2 (g) h° = -514 kj le châtelier's principle predicts that the equilibrium partial pressure of co (g) can be maximized by carrying out the reaction a. at high temperature and high pressure b. at high temperature and low pressure c. at low temperature and low pressure d. at low temperature and high pressure e. in the presence of solid carbon