Chemistry

Chemistry, 21.07.2019 00:00, leylah0102

According to the following electron structure, how many valence electrons do these fluorine atoms have? f= 1s12s22p5

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Physics, 06.07.2019 21:00, luzinaustin

Which would react chemically by forming an ionic bond a) 2 chlorine atoms with 7 valence electrons each b) 1 neon atom with 8 valence electrons and 1 lithium atom with 1 valence electron c) 1 sodium atom with 1 valence electron and 1 chlorine atom with 7 valence electrons d) 2 hydrogen atoms with 1 valence electron each and 1 oxygen atom with 6 valence electrons

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Chemistry, 26.07.2019 06:00, palcochran1313

Which would react chemically by forming an ionic bond? a. 2chlorine atoms with 7 valence electrons each b. 1 neon atom with 8 valence electrons and 1 lithium atom with 1 valence electron c. 1 sodium atom with 1 valence electron and 1 chlorine atom with 7 valence electrons d. 2hydrogen atoms with 1 valence electron each and 1 oxygen atom with 6 valence electrons

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Chemistry, 29.09.2019 06:20, chloeholt123

Which would react chemically by forming an ionic bond a) 2 chlorine atoms with 7 valence electrons each b) 1 neon atom with 8 valence electrons and 1 lilthium atom with 1 valence electron c) 1 sodium atom with 1 valence electron and 1 chlorine atome with 7 valence electrons d) 2 hydrogen atoms with 1 valence electron each and 1 oxygen atom with 6 valence electrons

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Chemistry, 02.11.2019 11:31, sammyraegarrett

1. which statement describes the properties of both elements that have just one valence electron and elements that have seven valence electrons? they are highly reactive. they are gases at room temperature. they exist in nature as pure elements. they easily give up an electron. 2. what are properties of the group of elements on the periodic table that have seven valence electrons? high reactivity, metallic high reactivity, nonmetallic low reactivity, metallic low reactivity, nonmetallic 3. when oxygen forms an ion, what is its charge? 2+ 3+ 2- 3- 4. which of the following is a possible formula unit? li3al clo2 licl can 5. what does a lewis structure show that makes it a useful model for a molecule? all electrons in the atoms angles between bonds how electrons are shared relative sizes of atoms h i h - c - h i h 6. the structure looks like the lay out i’ve created above. the lewis structure for methane, ch4 is shown. how many valence electrons does each hydrogen atom in the molecule have? 1 2 4 8 h-h 7. the structure looks like the layout i’ve created above. the lewis structure for a hydrogen molecule, h2, is shown. the line segment in the structure shows that the two atoms share one valence electron. share two valence electrons. have one unshared electron. have two unshared electrons. 8. what is the molar mass of nano3? 42.0 g/mol 53.0 g/mol 73.0 g/mol 85.0 g/mol

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