katelynwojdyla katelynwojdyla

20-10-2020
Chemistry

contestada

Problem:
[Ar]4s2
Identify the period (p) , group (g) and valence electrons block of the element

Respuesta :

dian312 dian312

20-10-2020

Answer:

it is Calcium (Ca)

4th period, 2nd group, 2 valence electrons

Answer Link

Otras preguntas

How many grams of a 31.6% potassium sulfate solution would contain 617 g potassium sulfate?

What number exceeds y by 4 less than x? Please explain.

why do tobacco companies target teens

Avery is learning how to type. She increases the number of words she can type in a minute by 15% every week. This week she can type 25 words a minute. In 6 wee

____ was the leg of the triangular trade that transported African slaves to the Americas . A) the first passage B)the last passage C)he middle passage D) the

A rock that contains enough of a particular substance to make it worth mining is called a(n) _____. A. ore B. mineral C. metalloid D. compound

Night: Chapter 3. Upon entering the Camp, Wiesel recalls how "The cherished objects we had brought with us thus far were left behind in the train, and with the

According to the graph, what is the age of a fossil found to have just 25% of its original carbon-14? A) 5,730 years B) 11,460 years C) 17,190 yea

Two bar magnets are labeled A and B. The ends of each magnet are numbered 1 or 2, but the poles are not labeled. When A1 is brought near B1, the bars repel. Wh

here they are and thank you