Jdkdbdb5251 Jdkdbdb5251

03-07-2017
Chemistry

contestada

Write the chemical symbols for three different atoms or atomic cations with 18 electrons.

Respuesta :

tiara143 tiara143

10-07-2017

Chlorine has 17 electrons in it natural state but it gains an electron and becomes an anion with 18 electrons.

Potassium (K) has 19 electrons in its natural state. It loses an electron and becomes K+ and then is left with 18 electrons .

The atomic number of calcium is 20 i.e. Ca has 20 electrons.It Loses 2 electrons and becomes Ca++ and has 18 electrons.

Answer Link

Otras preguntas

The rule for a 90⁰ counterclockwise rotation about the origin is: a) (x, y) → (-y, x) b) (x, y) → (y, -x) c) (x, y) → (-x, -y) d) (x, y) → (x, -y)

21. Why manyproperties of berylliumresemble aluminum, and boron resemblesilicon? This is due to A.amphoteric property C. allotropic relationship B. diagonal

How many years queen Elizabeth lived?

use the distributive property to rewrite each expression -6(r-8)

What is the oldest almost-complete manuscript of the Bible now in existence?

Solve 2-8 12-18 Evens only

C:Windows Home user a Leg file(file) Status Report (report Identify the rootdrrectory ||| In Identify the name of the drive. 3 Identify the subdirectory of the

What is the answer to 60÷5 (7-4)? Explain step by step how you get to this answer?

Select the correct answer. How many years (approx.) will it take $6,000 to amount to $8,000 if it is invested at an annual rate of 9.0% compounded continuously?

During that time it seemed no easy thing to see any man in the streets of Byzantium, but all who had the good fortune to be in health were sitting in their hous