Question
The atomic number of chlorine is 12
The atomic number of calcium is 20.
The equation for Calcium chloride is:
Ca+ Cl2---->CaCl2
Hence, option a is correct.
The atomic number of Chlorine is 17. The atomic number of Calcium is 20. What is...
3. The electron dot diagram for a neutral atom of chlorine (atomic number 17) is shown below. Which of the following symbols represents a chlorine ion with a stable arrangement of eight valence electrons? CI: O A 251 O B.2012 O c. 5c1 Op.
Calculate the formula mass of calcium chloride (Ca) (ClO3)2, in atomic mass units
Fill the MO diagram of the molecule of CO 30* 17* 17* 30 1π 1π 20* 2s 20 2s How many electrons are in the 11t* orbitals of the MO diagram? Select one: O al 2ok 2s 20 2s How many electrons are in the 11t* orbitals of the MO diagram? Select one: b. 2 ооооо с. 3 d. 0 е. 4 In the following molecular orbital diagram of HCl: MO diagram for HCI molecule 0 3pz H1s Tin Tnb...
1. Balance the following chemical reaction: Na2CO3 (aq) +CaCl2 (aq) → CaCO3 (s)+NaCl (aq) Na₂CO₃ + Call, CaCO3 + 2NaCl 2. Using Table 7 below, determine the molar mass of calcium chloride, CaCl2. Table 7: Molar Mass of Calcium Chloride (CaCl2) Atomic Mass Multiply # in Contribution Formula Element Calcium (Ca) g/mol g/mol Chlorine (CI) g/mol g/mol Total = g/mol 3. Using Table 8 below, determine the molar mass of sodium carbonate, Na2CO3. Element Table 8: Molar Mass of Sodium...
9. The members of which pair are most similar in color? (A) chlorine, Clhig), and bromine, Brz(0) (B) silver chloride, AgClo, and silver sulfide, Ag,S(s) (C) coppern chloride, CuCl(o), and calcium chloride, CaCl2(s) (D) potassium permanganate, KMnO,lag), and iodine, L2is)
1. An atom of nitrogen with a mass number of 15 and an atomic number of 7 has a total of neutrons. 2. An atom of potassium with a mass number of 39 and an atomic number of 19 has a total of neutrons 13 17 18 15 19 20 24 35 3. An atom of aluminum with a mass number of 24 and an atomic number of 13 has a total of neutrons. 4. An atom of oxygen with...
Do not refer to the text when taking this test. An element has an atomic number of 11 and an atomic weight of 23. Its number of neutrons is a. 11. b. 12. c. 23. d. 24. The atom of an clement has 1 proton and 2 neutrons. Its atomic number is a. 1. b. 2. c. 3. d. 6. The atom of an element has 6 protons and 8 neutrons. The number of electrons in this atom is a....
Select the element with atomic number 17 of the group and two elements of The periodic table one of them has the atomic number 20 and the other element has the atomic number 6 to form two compounds and state the name and type of each compound
+-/3.75 points Calculate the percent composition (by mass) for these substances from their molecular form (a) calcium chloride, road salt, CaCl2 %Ca 64 36 %CI 02 (b) caffeine, our favorite stimulant, CHN %C %H Enter a number %N %O
12, 18 thank you - - _12) Numerical coefficients that correctly balance the reaction, Fe + H20 Fe3O4 + H2 are, A) 3,4, 1,4 B) 3, 1, 4,4 C) 3, 5, 2,4 D) 1.3, 4,4 13) The word equation "calcium reacts with chlorine to produce calcium chloride" would be represented by which of the following formula equations? (a) CaCl2 +CaCl2 (b) CaCl2 Ca+ Cl2 (c) CaCl2 +CaCl2 (d) Ca+ Cl2 -CaCl2 _14) Which of the following is a decomposition reaction?...