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Andru [333]
3 years ago
6

2. Explain what an isotope is and give two important physical properties of isotopes that make them useful in biological researc

h. Define half-life.​
Chemistry
1 answer:
katrin [286]3 years ago
8 0

Answer:

<h2>isotope is a variants of a particular chemical element which differ in neutron number, and consequently in nucleon number.All isotopes of a given element have the same number of protons but different number of neutrons in each atom.</h2>

<h2>The 2 important physical properties of isotope is</h2>

<h2>1.<u>M</u><u>e</u><u>l</u><u>t</u><u>i</u><u>n</u><u>g</u><u> </u><u>Points</u></h2><h2>2.<u>B</u><u>o</u><u>i</u><u>l</u><u>i</u><u>n</u><u>g</u><u> </u><u>Points</u></h2>
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goldfiish [28.3K]

Answer:

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Explanation:

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What is the [OH-] of a substance that has a pH of 11?
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Answer:

0.001 M OH-

Explanation:

[OH-] = 10^-pOH, so

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Calculate the molarity of a soln of 3 mols of NaOH in 2 L
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3. What are vaccines? Are there different types?​
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4 years ago
Read 2 more answers
PLEASE HELP ME I NEED TO SUBMIT RIGHT NOW
sasho [114]

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Or  different atomic weight.

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