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timama [110]
3 years ago
11

Isotopes: are atoms of different elements which have the same mass are atoms of the same element with equal numbers of neutrons

are atoms of the same element with different numbers of neutrons are atoms of the same element with equal numbers of protons and neutrons are atoms that have gained or lost electrons
Chemistry
2 answers:
Sonbull [250]3 years ago
5 0
Atoms of the same element with equal numbers of neutrons
koban [17]3 years ago
4 0
I can't understand your option because there is no full stop however

isotopes are 2 or more form of elements that contain equal number of proton but different number of neutron in their nuclei
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2 years ago
Read 2 more answers
. What is the density of a block of plastic if the volume of the block is 5 cm and the mass is 17.2 g?
stellarik [79]

Answer:

<h3>The answer is 3.44 g/cm³</h3>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question

mass = 17.2 g

volume = 5 cm³

We have

density =  \frac{17.2}{5}  \\

We have the final answer as

<h3>3.44 g/cm³</h3>

Hope this helps you

5 0
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