todo1252 todo1252

03-11-2021
Chemistry

contestada

What does the number 84 in the name krypton-84 represent?

a) the atomic number
b) the mass number
c) the sum of the protons and electrons
d) twice the number of protons

Respuesta :

frehiwot00 frehiwot00

03-11-2021

Answer:

b

Explanation:

it express the mass no of the element

Answer Link

Otras preguntas

can someone help me with this?

find the value of p and q which make x⁴ +6x³+ 13x² + px + q a perfect square.

Compose complete sentences based on the following situations. 11. The phone rings. Somebody wants to talk to your boss, but you don't know if he is available. W

rearrange the jumbled words illiteracy /is/ of/ towards/ eradication/ one/one/each/ teach/ a/step

find the volume height is 3 yards length is 3 yards and width is 2 yards

Find the perimeter of the figure. I need help on this. I'm not really good at Geometry at all

Find the value of x

As a future teacher, how can you contribute in providing quality mathematics education for young children??? Please help me i need 5 sentences

please help!!! i would really apreciate it

simplify25x-16y-25x+16y