Looking at the Periodic table of elements, the following atom
pairs have the same chemical propensities:
a) Na and Mg
b) Na and Cs
c) N and O
d) Fe and Co Answer
Looking at the Periodic table of elements, the following atom pairs have the same chemical propensities:...
In the Periodic Table below, shade all the elements for which the neutral atom has a valence electron configuration of ns np, where n stands for an integer Li Be Na Mg
In the periodic table, elements grouped in the same column have similar Select one: a. isotopes b. chemical properties c. atomic mass d. atomic number
Which of the following pairs of elements would have the most similar chemical properties? A.Boron (B) and Fluorine (F) B.Hydrogen (H) and Helium (He) C.Beryllium (Be) and Magnesium (Mg) D.Carbon (C) and Oxygen (O)
Part I: Periodic Trends of the Elements Using only the Periodic Table, make predictions about properties such as atomic size and to determine electron configurations for atoms and fons. For this section, consider these six elements: OF P Ar K Mg Description Circle ALL that apply, or "None of these" Support your answers. 1. Its atomic radius is larger than a sulfur atom. OF Mg P Ar K None of these 2. Its most stable ion: (a) has the same...
2. Predict the formula of the ionic compounds formed from the following pairs of elements using Lewis symbols. Name the compounds. a. Al and I b. Rb andS 3. Rank the following in order of increasing bond length and bond strength. a. Si-F Si-C; Si-o 4. Calculate the amount of energy necessary to break all the bonds in formaldehyde CH20. What type of process is this? -O 5. Predict which pairs give ionic, polar covalent, or nonpolar covalent compounds by...
A) As B) Sb C) P D)Bi E)N 10. In which of the series of elements listed below would the elements have most nearly the same atomic radius? A) Na, K. Rb, Cs B)F, CI, Br.I C) Na, Mg. Al, Si D) Sc, Ti, V, Cr E)B, Si, As, Te Which of the following properties, in general, increases from left to right across a period in the periodic table? A) ionic charge 11、 B) atomic radius C) density D) ionization...
locate these elements in the periodic table and then draw a lewis
dot symbol that represents a number of valence electrons for an
atolm of each
12. Unde he Love these elements in the periodic table and then draw a Lewis dat symbol r of valence electrons for an atom of each b) Bir d) S c) Na e) N 10. Give the electron configurations of these ions, and indicate which ones are isoelectronic a) Ca2+ b) K+ c) O2-...
- Class period! Unit 4: Periodic Trends "lonization Energy Trend" - Wksh # 4 2 Directions: Please answer each fill in the blank with the best answer. 1. The energy required to remove an electron from a gaseous atom is called the T ilas_energy. 2. When an electron is removed the atom gets a 3. The energy required to remove a second electrons is called the charge. energy. 4. It always requirest i -- to remove a second electron. 5....
1. Based on their positions on the Periodic Table, which ONE of the following elements would be expected to have the largest first ionization energy? A) Si B) K C) O D) As E) Ca 2. Based on their positions on the Periodic Table, rank these ions in order of decreasing ionic radius: F–, Mg2+, Na+, O2–, S2–. (The correct answer has largest ion first, smallest ion last.) A) S2– > O2– > F– > Na+ > Mg2+ B) O2–...
Which of the following pairs of elements would be most similar in their chemical properties? C and N N and O O Kand Sr Mg and Ba Question 43 Which of the following electron transition occurs with the emission of light with the shortest wavelen n-3 to n-2 n-2 to n-3 n-2 to n-1 n-1 to n-2