What am I? 2. I have 7 valence electrons and have 2 more protons than "phosphorus. What am I? 3. I am in Period 5 and have properties similar to my favorite cousin, gold. What am I? 4. I am the only element with no neutrons in my nucleus. What am I? 5. I am the only element in Period 3 that has 8 electrons in my outermost energy level. What am I? 6. I am the most massive element on the Periodic Table to have electrons in only one energy level. What am I? 7 I have the smallest atomic number of all the elements that have electrons in three different energy levels? What am I?
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Chemistry, 21.06.2019 17:30, badgirl2005
This is a mixture that has the same composition throughout.
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Chemistry, 21.06.2019 17:40, monkey2865
If 10.0 ml of the solution on the right are withdrawn from the 100 ml beaker and diluted again in a similar manner, what is the new concentration? m nacl
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What am I? 2. I have 7 valence electrons and have 2 more protons than "phosphorus. What am I? 3. I a...
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