KewlKid123 KewlKid123

16-10-2018
Chemistry

contestada

What element is represented by [tex]1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{2}[/tex]

Respuesta :

Harry108 Harry108

16-10-2018

Answer: CALCIUM

EXPLANATION:

Add up all the electrons and the total number of electrons will be equal to the atomic number. If we know the atomic number we can quickly look at the periodic table and tell which element it is.

See the pics, the atomic number is 20 and it is Ca (CALCIUM)

Ver imagen Harry108

Ver imagen Harry108

Answer Link

Otras preguntas

Which of the following factors played the largest role in increasing the settlement of the Great Plains? (A) Construction of railroads (B) Removal of the Great

Which of the following were true of the Massachusetts colonies? Settlers came seeking profits and adventure. Puritans purchased a controlling interest in the Ma

why can't humans digest all carbohydrates ?

there are 3 red marbles in a bag and there are 4 blue marbles in the bag which of the following is a possible total number of marbles?

How could you turn an ice cube into water? How could you turn water into an ice cube

which mucle is on the front part of your upper leg

An individual who received a parcel of land under the Homestead Act had to live on that land for at least

What is the purpose of a thesis statement? A. to summarize the facts and statistics introduced in the paper B. to define any vocabulary needed to understand the

why do liquids flow but solids dont

In the years leading up to World War I, European countries like Great Britain and France were very interested in