What is the name of the element with a valence electron configuration of 2s22p1?

are our best clues about the history of life on Earth, what is the answer? also there are no options but it has to a word that has 11 letters in it

Team distillation may be used to separate a mixture of p-nitrophenol and o-nitrophenol. the ortho isomer distills at 93 _c; the para isomer does not. explain.

Element x is a solid that is brittle, lacks luster, and has six valence electrons. In which group of the periodic table would element x be found 1) 1 2) 2 3) 15 4) 16

What are causes of air pollution

State the number of valence electrons the following element has: B

How much hydrogen gas produced with 50 ml of hcl?

In a modern system of classification, two organisms would be most closely related if they were classified in the same A kingdom C genus 8 phylum 0 species

Consider the following equation: C7H9 + 3 HNO3 → C7H6 (NO2) 3 + 3 H2O Identify the product (s) for this reaction. a. C7H6 (NO2) 3 b. H2O c. HNO3 d. C7H9 and H2O e. C7H6 (NO2) 3 and H2O

How does a branched chain differ from a straight chain?

What is causing force on the inside of a filled balloon that gives the balloon a rigid shape? Select one: O a. Gas particles colliding with the inside walls of the balloon, pressure b. Gas particles slowing down at lower temperatures C.