Which of the following could be the atom represented by this dot structure? Select all that apply. X•

Hydrogen (H) and oxygen (O) are commonly found as diatomic molecules (not atoms). Upload a visual representation of molecular hydrogen (H2) and molecular oxygen (O2), using different colors to represent the different types of atoms. (And be sure to include a key to tell us which is which!)

CHEMWORK Cr6+ Si²+ La ³+ Co²+ Which of the following ions have noble gas electron configurations? Check all that apply. (Select all that apply.) Submit Show Hints Submit Answer [Review Topics] Retry Entire Group [References] 1 more group attempt remaining On-Site.com Previous Nex

Which elements would be found in the alkaline earth metals family? [Select all that apply] cesium sodium O zinc O calcium O barium

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How many valence electrons does each of the following neutral atoms have?  Write your answers as numbers (1,2,3...etc) NOT as words (one, two, three, etc.) Hydrogen (H)  Carbon (C)  Helium (He)  Argon (Ar)  Chlorine (Cl)  Iodine (I)  Nitrogen (N)  Phosphorous  Arsenic (As)  Oxygen (O)  Sulfur (S)  Selenium

X X-rays have a wavelength small enough to image individual atoms, but are challenging to detect because of their typical frequency. Suppose an X-ray camera uses X-rays with a wavelength of 7.66nm. Calculate the frequency of the X-rays. Round your answer to 3 significant digits. ELECTRONIC STRUCTURE AND CHEMICAL BONDING Interconverting the wavelength and frequency of... PHz Explanation 77°F Partly sunny Check O alekscgi/x/Isl.exe/1o_u-lgNslkr7j8P3jH-liG1Sp4C1qHE9vg-2-exSXq493r_tJ2gZs0ajljMpw3xX-Vf... A ×10 X Men mama Ś O Search L hp 1/5 19 © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use 30. 3 Privacy Center Eli: 40

Chemistry: Form WS2.3.3B Name ATOMS Date Period Électroi Dot Diagrams, Étc. Electron dot diagrams are a useful way to show the arrangement of outer electrons of an atom. They show valence electrons as dots at 12 o'clock, 3 o'clock, 6 o'clock, and 9 o'clock, and the rest of the atom, known as the kernel, as a symbol. It is useful to think of the outer shell as if it contained two apartments, one with one bedroom and the other with three bedrooms. Each bedroom has space for two occupants. Think of electrons as frugal little fellows who do not like to share. Electrons will prefer to move into the cheaper, one bedroom apartment if it is available even if it means sharing a room with another electron. If the cheap apartment is not available, they'll settle for the three bedroom apartment, but they won't share a bedroom until the apartment becomes too crowded to have a choice. As a result, the first space gets two electrons before any of the other spaces get electrons. The next three spaces…

I’m trying to help my son study for his ninth grade chemistry test. Could you please help us feeling this chart so we can study properly. Thank you.