1.more
2.longer
3.warmer
4.northern
5.less
6.shorter
7.colder
8.southern
Answer:
If a substance can be separated into its elements, it is a compound. If a substance is not chemically pure, it is either a heterogeneous mixture or a homogeneous mixture. If its composition is uniform throughout, it is a homogeneous mixture.
Explanation:
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STEP-BY-STEP EXPLANATION
What to find? Mass number of an element
Given parameters
Number of protons = 15
Number of neutron = 16
Number of electrons = 15
Considering the atomic struc
The formula for calculating the mass number of an element is given below as
The next thing is to substitute the
Explanation:
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