EBK CHEMICAL PRINCIPLES IN THE LABORATO
11th Edition
ISBN: 9780100546066
Author: SLOWINSKI
Publisher: YUZU
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Textbook Question
Chapter 13, Problem 2ASA
The model consists of balls and sticks.
a. How many holes should be in the ball you select for the
b. How many holes should be in the ball you select for the
c. How many holes should be in the ball you select for the
The electrons in the molecule are paired, and each stick represents a valence electron pair.
d. How many sticks do you need? ____________
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B. Indicate which of the following statements is TRUE or FALSE. If your answer is FALSE
kindly Explain.
a. An element’s atomic number is equal to the number of protons in the nuclei of
any of its atoms.
b. The symbol for an element’s atomic number is A.
c. A neutral atom with Z = 4 must have 4 electrons.
d. A neutral atom with A = 4 must have 4 electrons.
e. An atom with 7 protons and 7 neutrons will have A = 14.
f. An atom with 7 protons and 7 neutrons will have Z = 14.
g. A neutral atom with 7 electrons and 7 neutrons will have A = 14.
3. Write the letter of the term that correctly completes the sentence. Elements are different because their
atoms contain different numbers of
a. electrons
b, protons
d. nuclei
hestal number of protons and neutrons
c. neutrons
Which of the following contain(s) atoms?
• a. heat
. b. energy
• c. dust
. d. light
.e. all of the above
O c
O
O
O
d
e
Chapter 13 Solutions
EBK CHEMICAL PRINCIPLES IN THE LABORATO
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- 1.Choose the element symbol pair which is correctly matched: A.Cobalt Co B.Carbon Ca C.Chlorine Ch D.Calcium C 2.In what arrangement where adjacent elements will have similar physical and chemical properties? A.Representative B.Arrangement by row C.Group D.Periodarrow_forward5. A lithium atom contains 3 protons, 4 neutrons and 3 electrons. What would be formed if one proton is added to this atom? O A. a lithium ion O B. a different isotope of lithium O C. a beryllium ion O D. a neutral atom of berylliumarrow_forwardUse a model to explain how subatomic particles interact to cause ONE of the following periodic patterns. Use evidence and scientific reasoning to justify the validity of your model.arrow_forward
- Which statement about the three fundamental particles is false? a. The charge of a proton is equal in magnitude but opposite in sign to the charge of an electron. b. Atoms consist primarily of protons, neutrons and electrons. c. Knowledge of the function of these fundamental particles is essential to understanding chemical reactions. d. The fundamental particles are the basic building blocks of atoms. e. The mass of an electron or a neutron is very small compared to the mass of a proton.arrow_forwardPlease help me with questions 1 and 2 1. What is an example of matter? A. Light B. None of the answers are correct C. Heat D. Energy E. Oxygen gas 2.An ionic bond is a bond in which A. Atoms are repelled by each other B. Atoms of opposite charges attract each other C. Atoms share neutrons D. Atoms share protons E. Atoms share electronsarrow_forwardWater contains small amounts of the element fluorine, which helps to strengthen tooth enamel and prevent cavities. What would you expect to happen to the fluorine element when it is added to drinking water? a. Fluorine would lose an electron and would be found as HF. b. Fluorine would gain a proton, becoming a radioactive isotope. c. Fluorine would gain an electron and would be found as F- or HF. d.Fluorine would form a covalent bond with water.arrow_forward
- 16. Give complete symbols of each atom, including the atomic number and the mass number. a. a magnesium atom with 12 protons and 12 neutrons b. a magnesium atom with 12 protons and 13 neutrons c. a xenon atom with 54 protons and 77 neutronarrow_forwardAnswer number 36 to 40 pls. I don't want to wsste my money here.arrow_forward11. State whether the following elements are metals, nonmetals, or metalloids. a. Potassium b. Phosphorus C. Silicon d. lodine 12. Identify the principal type of energy (kinetic or potential) that is exhibited by each of the following. a. A piece of coal b. A falling rock ||| c. A compressed metal spring d. A rolling soccer ball on a level fieldarrow_forward
- 2. Which atom has six valence electrons? a. lithium d. neon b. carbon e. boron c. sulfur 3. Which atom has a nucleus that contains 20 protons? a. lithium b. krypton c. carbon 5. Which of the following atoms has the largest radius? a. lithium b. lead c. cesium d. fluorine UNIT 1 a. helium b.xenon d. calcium e. potassium e. carbon 6. Which of the following atoms has the highest first ionization energy? c. potassium d. hydrogen e. carbonarrow_forwardDo questions 10,11,12 and 13. This is not graded. It’s a study guide.arrow_forwardIn chemical reactions, sodium (Na) is more likely to behave similarly to which element? a. Potassium (k) b. Magnesium (Mg) c. Fluorine (F) d. Iron (Fe)arrow_forward
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