A substance that is composed only of atoms having the same same atomic number is classified as

True, the standard unit for volume is liters which can be represented by either a lower case "l" or a capital "l"

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.

C) electrons encircling a nucleus with neutrons and protons