What will happen to an unstable nucleus of radium-226? A: it will decay spontaneously

B: it will absorb electrons spontaneously

C: it will absorb protons from a parent atom

D: it will decay no spontaneously

Read the sentences below in 1962, i tried to enroll as the first black student at the university of mississippi. the governor of mississippi blocked my entrance which best describes the verbs used in the sentences? o they are past tense verbs, which are often used in narrative essays o they are past tense verbs, which are not often used in narrative essays. o they are future tense verbs, which are often used in narrative essays o they are future tense verbs, which are not often used in narrative essays.

Matter- occupies space and possesses rest massno matter is the opposite

Yes, endothermic means it turns cold. and some chemical changes include change of tempature.