paigedbarrett paigedbarrett

11-05-2022
Physics

contestada

When a calcium atom forms an ion, it loses two electrons. What is the electrical charge of the calcium ion? a) −2 b) −1 c)+ 1 d) + 2

Respuesta :

TheUnknownScientist TheUnknownScientist

11-05-2022

Answer:

Option D

+2

Explanation:

We know that Calcium has 20 electrons and 20 protons. It lost two electrons, it has 20 protons, but only 18 electrons. This makes calcium a positive ion with a charge of +2.

Answer Link

Otras preguntas

A school Had 514 students sign up for Trivia. If they wanted to have 9 teams with the same number of students on each team how many more students would need to

Select all functions of utilities. a. backs up an organization's data at regular intervals b. reduces the size of a file by taking out unnecessary pieces of i

Suppose a researcher is interested in determining if there is a relationship between low birth weight and pediatric pneumonia. In order to test this relationshi

Which of the following levels of dominance contains the primary element(s) a. dominant b. subdominant c. subordinate

H&R Block's stated purpose is: to be the leading global consumer tax company bringing tax and related solutions to clients year round. Which type of AI syst

Direct materials and direct labor of a company total $8,000,000. If manufacturing overhead is $4,000,000, what is direct labor cost? Select one: a. $4,000,000 b

A box contains eight cards labeled P,Q,R,S,T,U,V, and W. One card will be randomly chosen. What is the probability, of choosing a letter from P to R? Write yo

What is the role of the ventral respiratory group (VRG) in the reticular formation of the medulla oblongata? A: They maintain the basic ventilatory rhythm. B: N

The accounting manager of Gateway Inns has noted that every time the inn's average occupancy rate increases by 3.3 percent, the operating cash flow increases by

Strains of the human papillomavirus (HPV) that cause cervical cancer express many genes that the cervical cells that they infect do not. One of these viral gene