yosaidlot
yosaidlot yosaidlot
  • 01-06-2021
  • Chemistry
contestada

In the graphic,
X represents which element?
40
20
40x
20
Calcium
Ca
40
Zirconium
60
Neodymium
Nd
Zr

In the graphic X represents which element 40 20 40x 20 Calcium Ca 40 Zirconium 60 Neodymium Nd Zr class=

Respuesta :

mar427 mar427
  • 01-06-2021
A.) Calcium

The mass for calcium is 40 and the atomic number for calcium is 20
Answer Link

Otras preguntas

Volume is the quantity of two-dimensional space occupied by a liquid, solid, or gas. a. True b. False
What is a stress management technique using a form of self-suggestion, wherein an individual is able to place himself or herself in an autohypnotic state by rep
What did Bohr’s model of the atom include that Rutherford’s model did not have?
The ionization constant of water at a temperature above 25°C is 1.7 x 10-14. What is the pH of pure water at this temperature? 2H2O(l)--> H3O+(aq) + OH-(aq)
I don’t know how to fine the square root
help with numbers 40-48
A ___is used to measure air pressure.
El cepillo __ al lado del peine. estar ser forms
At a crowded park, Kayla sees an old man clutching his heart and stumbling. If Kayla assumes that someone else will help the old man, she is experiencing the ph
Choose two characters in The Red Badge of Courage. How are they similar? How are they different? Support your answers with specific details from the story.