zwtt5x7fht zwtt5x7fht
  • 22-12-2022
  • Chemistry
contestada

5. The volcanic eruption of Mt. St. Helens in the state of Washington in 1980
produced a considerable quantity of a radioactive element in a gaseous
state. Atoms in the radioactive substance had 86 protons. Which was it?

Rubidium
Bromine
Polonium
Radon

Respuesta :

Otras preguntas

Item 9 Find the annual interest rate. I=$562.50, P=$1500, t=5 yearsI=$562.50, P=$1500, t=5 years The annual interest rate is %.
Which lifestyle change can benefit a person with diabetes?
The GCF of 24 and 40 is _______.
Find the cosine 315º. Round your answers to the nearest hundredth if necessary. 0 0.71 1 –0.78
hey what is the formula for iodized salt thx
What happens to rock when stress exceeds a rock’s elastic limit?
CALCULATING PERCENTAGES QUESTION. Please help me solve this question.
Factor x^2-25, 3x^2-12x-15, and x^3+2x^2+3x+6 .
The polygons are similar. Find the value of each variable. x= y=
You will receive two points for each word that is used correctly in a sentence and two points for each correctly described connotation. thrifty, frugal slender,