bethanygraceandrews bethanygraceandrews

20-09-2021
Chemistry

contestada

If an atom or ion has an atomic number of 3, 2 electrons, and the electronic configuration is 2, what is the mass number?

Respuesta :

17StewartI 17StewartI

20-09-2021

It’s mass number would be 5 as it’s the protons and the neutrons added together

Answer Link

Otras preguntas

which choice is equivalent to the expression below? 12^-2 12 Points!!!!

4. Mark is purchasing a TV. The hypotenuse of the TV is 40 inches and the width is 35 inches. Mark wants to put the TV on a shelf that has a height space of 20

DO NOT SEND MY LINKS OR PDFS IF YOU DO YOU WILL BE REPORTED ANSWER CORRECTLY AND WILL GET BRAINLIEST How does the adaptation of vascular tissues help a plant su

What does a main sequence represent of a star?

Juan needs to choose a book for a report on Alaskan wildlife. He searches the library catalog database to find books. The library database lists several titles.

Read the following sentence. First-time car buyers need to learn about interest rates and how to spot a con or a great deal. Who is the intended audience for t

The two legs of a right triangle measure 7 inches and 5 inches. Find the measure of the acute angle that is included between the longer leg and the hypotenuse.

The perimeter of an isosceles triangle is 45 feet. The length of the shortest side is 11 feet. Find the length of the other two sides (in feet)

The experimental probability that the bus will arrive after 8:19 is

A solution of sodium iodide is added to a solution of potassium nitrate to make a potassium iodide precipitate and a sodium nitrate solution? Key Words KNO3 Na