2 years ago

Element Y has a half-life of 120 years. If you started off with a sample of 280 atoms of Element Y, how many would be left

1 answer:

6 0

It’s Gotta Be One Of Those

You might be interested in

Natasha_Volkova [10]

It is the alpha particle

4 0

2 years ago

sweet [91]

Answer: C

Explanation:

4 0

3 years ago

Elena-2011 [213]

Structure of <span>N-ethyl-3-methylpentanamide is shown below,</span>

3 0

2 years ago

romanna [79]

Number of neutrons.
The atomic number is a way of identifying elements so if the were all the same than that wouldn't work very well :)

4 0

2 years ago

liberstina [14]

The group 7A elements are called Halogens.

Please mark as brainliest if this helped! :)

4 0

2 years ago