TayTay4473 TayTay4473

02-02-2015
Chemistry

contestada

Explain how cobalt-60 and cobalt -59 can be the same element but have different mass numbers

Respuesta :

mmorris mmorris

02-02-2015

The number of protons and the atomic number are the same for both forms of cobalt, but the number of neutrons varies for each cobalt ion.

Answer Link

Otras preguntas

15. Which of the following inequalities is NOT equivalent to the one shown here? 5 – 5k > -45A) -5k > -50B) k > 10C) k k

Solve the equation 3(x+1)+2x=1/2(10x-14)Plz show the stepsProve that it has NO Solution

i need help pls help me

Which triangles are similar to AABC? A 5 B 11 8

Which describes active transport, but not passive transport? a. requires cellular energy b. moves particles across the cell membrane c. moves particles from hig

Proteins have 12 calories per gram 16 calories per gram 8 calories per gram 4 calories per gram

Quadrilateral ABCD has the following vertices: A(0,6) B(3,5) C(0, -4) D(-3,-3) Also, angle a is a right angle. Is quadrilateral ABCD a rectangle, and why?

What material was used to write in cuneiform?

2. The two main factors that determine where organisms live are... A. soil type and precipitation B. temperature and precipitation C. altitude and precipitat

All of the statements below are historically accurate. Mark the item if the event it describes helped lead to war between Britain and the American colonists. Ch