DadeO999 DadeO999
  • 15-12-2020
  • Chemistry
contestada

A single atom of an element has 21 neutrons, 20 electrons, and 20 protons, which elementis it?

Respuesta :

abigailgillman94
abigailgillman94 abigailgillman94
  • 15-12-2020

Answer:

Calcium

Explanation:

The number of protons is the atomic number of the element. Number 20 on the periodic table is Calcium.

Answer Link

Otras preguntas

What are the three major types of rocks?
protesting a law by picketing civil liberty or civil right​
How were the Mensheviks different from the Bolsheviks?
Does this graph show a function? explain how you know
Solve the system of equations x + 3y = −1 2x + 2y = 6
16. One way in which President Franklin D. Roosevelt's New Deal and President Lyndon B. Johnson's Great Society are similar is that both programs (1) made civil
..(07.01 LC) Look at the triangle: What is the value of cos xº? (1 point)
After WWII began, Jewish people were taken into custody and placed where? Check all that apply.
public libraries are important because they encourage learning provide low-cost resources and _________. A. Community involvement B. Inspire community involveme
Can someone please help me?Use mathematical induction to prove the following.Please show your work.13. [tex]\frac{1}{1(2)} +\frac{1}{2(3)}+\frac{1}{3(4)} +...+