29savageboy 29savageboy

17-05-2017
Chemistry

contestada

How many dots are shown in the electron dot diagram for calcium, in group II and period 4 with 20 protons and 20 electrons? a. four c. eight b. two d. twenty

Respuesta :

17-05-2017

Two dots are shown in the electron dot diagram for calcium in group 2 and period 4 with 20 protons and 20 electrons. The answer is b.

Answer Link

10-11-2020

Answer:

(B) two

Explanation:

Answer Link

Otras preguntas

According to the United States constitution, which action would be the most appropriate for the state government a. Printing newly designed $20 bills b. Estab

6 to the 2nd power ÷ 2(3) + 4

Imagine you had a bar of gold and decided to cut in half. You repeated this process until eventually you could no longer cut the gold in half without splitting

Given the functions f(x) = x2 + 6x − 1, g(x) = –x2 + 2, and h(x) = 2x2 − 4x + 3, rank them from least to greatest based on their axis of symmetry. a. f(x), g(x

How did Roman Assemblies contribute to democratic principles? a. Assemblies had the power to make laws. b. Assemblies acted as advisory councils. c. Assemblie

What is the value of k in the equation 2/7(k+5/8)=2 2/7

If y = (x + 3)2, then (-2x - 6)2 must equal which of the following? a. -4y2 b. -2y2 c. -4y d. 4y

Combinations of short plays producing long narratives on broad topics and sometimes acted on a series of wagons during the medieval period were _____. a. farce

compare the lifestyles of hunter-gatherers -gatherers with those of settlers of early agricultural communities. In the neolithic revolution

All of the following were true about the changing roles of women in society at the turn of the 20th century EXCEPT: a. many women demanded equal pay for the sa