theshivamyadav2

An unknown element is a nonmetal and has a valence electron configuration of ns²np⁴.

a. How many valence electrons does this element have?

b. What are some possible identities for this element?

c. What is the formula of the compound this element would form with potassium?

d. Would this element have a larger or smaller radius than barium?

e. Would this element have greater or smaller ionization energy than fluorine?

A. An element with the valence electron configuration 3s1 would form a monatomic ion with a charge of_____ . In order to form this ion, the element will____ (lose/gain) _____electron(s) from/into the_____ subshell(s).

B. If an element with the valence configuration 4s13d10 loses 1 electron(s), these electron(s) would be removed from the ______subshell(s).

For the general electron-dot formula for the element, give the following information: 

full out the blank

1)Organisms with prokaryotic cells are separated into two .......................... , Bacteria and Archaea.

2). ......................... are the most diverse and widespread prokaryotes.

3). Most of the prokaryotes known as .................................. live in extreme environments, such as salty lakes.

4)4. All organisms with eukaryotic cells are grouped in domain......................... .

Microbes have developed adaptations to survive in extreme environments due to _______.

Question 2 options:

Which Domain includes microscopic organisms that can survive in extreme environments such as high temperature or acidic environments? PlantaeEurkaryotesFungiProkaryotesAnimalia

How do organisms in extreme environments communicate and collaborate to survive?