Chemistry, 27.04.2021 01:00 genyjoannerubiera
1. Who was the first person to create a periodic table? When?
2. What is the modern periodic table?
3. Compare and contrast the periods and groups of the modern periodic table.
4. In the modern periodic table (found in the back of your agenda), find the element named lead (Pb). How many protons do atoms of lead have? To which class of elements does lead belong?
5. Most of the elements on the periodic table belong to what class of elements.
6. Which groups of the modern periodic table contain elements that are classified as metalloids?
Answers: 1
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How do i complete this electrolysis of water lab? i’m at home, so i don’t have the materials, and the lab didn’t properly work and was incomplete at school.
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When a nucleus absorbs a neutron and then breaks apart, there are many products of the reaction. what is not a product of a nuclear fission reaction
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1. Who was the first person to create a periodic table? When?
2. What is the modern periodic table...
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