If penguinium (element number 119) is ever discovered, what will its electrom configuration be?* O (Rn] 8s' O [Rn] 7s O [Og] 8s' O [og] 7s' What is the charge of an electron? O no charge positive neutral negative

Q: Which statements are true regarding the chemical formula Pb(NO3)4. Select the three that apply. The…

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Q: how much copper ion remains at equilibrium?

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Q: 1. For each of the following elements write the element’s electron configuration. AL Ti Sr

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Q: How many valence electrons are in Oxygen

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Q: How many valence electrons does calcium (Ca) have? * O 20 4. 2. This is a required question Most of…

A: How many valence electrons does calcium have? Answer ) two .

Q: Which of these atoms has an oxidation number of 2-? O Sulfur O Chlorine O Aluminum O Neon O Silicon…

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Q: For 42He*2 The atomic number is f and there are are protons. The mass number is and there are…

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Q: With the exception of He, elements with two valence electrons will be considered: O Metals…

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Q: The electron shells in an atom of silicon (atomic symbol Si) each

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Q: Carbon is electroneutral because it has four electrons in it's valence shell true or false ?

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Q: Nitrogen’s atomic number is 7. Just from the atomic number, can you determine how many protons,…

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Q: On the periodic table of the elements, mercury (Hg) hasan atomic number of 80 and a mass number of…

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Q: 7. Give the symbol of and the number of protons in one atom of: Lithium Iron Охygen Krypton Bromine…

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Q: ) Complete the following information about charge & are located charge & are located charge & are…

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Q: If an argon atom is neutral, it contains 18 protons and it also contains 18 electrons. O True False

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Q: What is the charge of an electron? no charge O positive neutral negative

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Q: stance which cannot be broken down by chemical means into simpler substa OA. Matter OB. A Mineral…

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Q: If you add an electron to fluorine, what will result? A) a negatively charged anion O B) a different…

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Q: 9. Draw the Electron Structure for Rb & O 10. Draw the Electron Structure for Sr & F Formula Unit:…

A:

Q: Arrange the elements Na, Si, and S in the order of (a) decreasing atomic radius. (h) increasing…

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Q: Which of the following plays the greatest role in chemical bonding number of protons in the valence…

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Q: What is chlorine, potassium,phosphate, and calcium number of bonds it forms?

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Q: Arrange in order of increasing nonmetallic character

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Q: O Tightly bound metal ions can stabilize transition states.

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Q: :OH KMNO4

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