Fill in the missing information: symbol atom or ion? check all that apply number of number of protons electrons ☐ neutral atom cation anion 15 ☐ neutral atom cation anion 32 33 3+ B neutral atom cation anion ☐ ☐
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- Consider the incomplete valence shell representation below. a. Assume the atom is neutral, and write the correct nuclear charge at the center of the atom. b. What is the identity of this neutral atom?help pls is this answer corrcet, i cant stack li+ and cu- on top of each other ?calculate delta H rxn for each of the following: (a) SiO2 (s) + 4HF (g) ----> SiF4 (g) + 2H2O (l) (b) C2H6 (g) + O2 (g) ----> CO2 (g) + H2O (g). (Unbalanced) ( Please type answer note write by hend )
- Team Instructor LAB OgM REPORT SHEET Compounds and Their Bonds A. Ions: Transfer of Electrons 5. Ionic 6. Symbol 7. Name of Ion Element Atomic 1. Electron Configura- 2. Electron- 3. Loss or 4. Electron Number Dot Configuration Charge of Ion Gain of tion of Atom Symbol Electrons of Ion Sodium 11 Is 252p°3s' 1s 252p6 Na+ Sodium 1+ Na lose 1 e Nitrogen Aluminum 13 Chlorine 17 Calcium 20 evitizo9 Охуgen 8 B. Ionic Compounds and Formulas obixo (Inonl sbitive (1raqqo) 1. Physical properties Compound Appearance Density Melting Point Sodium chloride, NaCl 2. Formulas of ionic compounds ebnuoqmos olaoi Yo esme Name Positive Ion Negative Ion Formula Lithium iodide Lit Lil Aluminum oxide Calcium sulfide Magnesium bromide Potassium nitride Sodium fluorideHelpp please :) Steffany is analysing the periodic trends for different elements, specially electronegativity and ionisation energy. She concluded that iodine is more electronegative than fluorine and that is more difficult to remove one electron in iodine than fluorine. Affirmation from Steffany is: Select one: a. Incorrect, because fluorine has more electrons levels than iodine, therefore will be more difficult to remove an electron in case of fluorine. b. Correct, because iodine is greater than fluorine, therefore, it will be more difficult to remove a valence electron in iodine because it is farther from nucleus c. Incorrect, because fluorine has less electrons levels than iodine, therefore will be more difficult to remove an electron in case of fluorine. d. Correct, because iodine has less levels than fluorine, therefore will be more difficult to remove an electron in case of iodine.Select all the atoms that have at least one lone (unshared) pair of electrons. • Gray = C; white H; red= 0; blue = N; dark green= Cl; brown Br; light green F; purple = 1; yellow=S; orange - P Double click to select atoms. You can zoom in and out using the mouse scroll wheel (or pinch to zoom on touch screens). Convert the model below to a skeletal drawing. wireframe H H H C H H + labels H
- Need help with H, getting confused how many groups there is. I got 6 groupsQuestion JA © Macmillan Learning VI VIV UV L are not. 80 F3 If you need to revert the drawing palette to the original state, select the More menu, then select Reset Drawing. Add formal charges to CH₂. Select Draw Rings More S vuvID, VAvv viv muivatv 000 000 F4 Ć C Reset Drawing HICH F5 H A 6 F6 Q2Q MacBook Pro Erase & 7 vuu an unuarvu Aa F7 8 DII F8 Select YUV 3 Add formal charges to CH3. Note the presence of the lone pair. ( 9 ved a DUUWII UUL UTE Draw Rings F9 די More H-C-H ) 0 H F10 C Q 2 Q ฮิ F11 + 11 ase F12 2 deletea) Redraw this image showing the atomic abbreviations (example: H-CI) rather than the atomic sphere representations: HCI H,0 H,O CI NaOH OH Na chemcollective.org
- tab caps lock shift esc ર. Freeform File → + С ! 1 *; Aktiv Chemistry - F1 Q A Edit N app.aktiv.com Insert NO @ 2 * F2 W S Format Arrange NaH X + DMSO OH #3 X Br 80 F3 E D View Window $ 4 C a 49 a F4 R F Help % 5 £ FS T Problem 254 of 24 Atoms, Bonds and Rings 4. CI 6 G stv MacBook Air ♫ 9 F6 Y & 7 H Charges 8 OH Br F7 00* 00 Na 8 OH 12 C all DII FBSo is the charge after both nitrates supposed to be a 3 or 2?What would be the correct ratio between the following ions y1+ and x2- ?