How can an atom that has seven valence electrons complete its outermost level

2 answers:

3 0

It can form a covalent bond with a hydrogen bond that has one valence electron to have eight valence electrons and become stable.

Oksana_A [137]3 years ago

3 0

Answer: The element needs to react with other element by gaining an electron to complete its valence electron.

Explanation: The element which exhibit 7 valence electrons are halogens. They readily react with other element, for example: Hydrogen and Sodium, in order to gain an electron to complete their outermost shell.

You might be interested in

How to write complete ionic and net ionic equations?

Elina [12.6K]

An ionic can write with the symbol above e.g Na(+) and Cl(-) while net ionic equestion can cross the same elements which contain the same symbol(ionic symbol like (+),(-) )

8 0

3 years ago

What is the molarity of a solution containing 0.32 moles of NaCI in 3.4 liters

CaHeK987 [17]

Answer:

.094 M

Explanation: 0.32molNaCl/ 3.4L = .094M

3 0

3 years ago

How much of a radioactive parent isotope will remain after three half-lives have passed?

Leona [35]

After 1 half life, 1/2
After 2 half lives, 1/4
After 3 half lives, 1/8