Conceptual Integrated Science
3rd Edition
ISBN: 9780135197394
Author: Hewitt, Paul G., LYONS, Suzanne, (science Teacher), Suchocki, John, Yeh, Jennifer (jennifer Jean)
Publisher: PEARSON EDUCATION (COLLEGE)
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Chapter 12, Problem 6RAT
To determine
Introduction:
Boiling point of the compounds is governed by the dipole moment of the compound. The dipole moment of the compound depends on the symmetry. Less is the symmetry of the compound, more is the dipole moment and more is the boiling point due to increased dipole-dipole interaction.
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how many atoms of each element is in the molecule 4SrO^-2
Do covalent compounds conduct electricity when they are mixed with water? Explain.
1.) How many molecules are present in each sample?
6.10 mol SO2 :
molecules SO2
0.463 mol CO :
molecules CO
a sample of NH3 containing Avogadro's number of molecules:
molecules NH3
2.) Enter the number of electrons in each energy level (shell) for each of the elements. If the energy level does not contain any electrons, enter a 0. It may help to refer to the periodic table.
He:
?=1
?=2
?=3
?=4
F:
?=1
?=2
?=3
?=4
Cl:
?=1
?=2
?=3
?=4
K:
?=1
?=2
?=3
?=4
What is the neutral atom that has its first two energy levels filled, has 2 electrons in its third energy level, and has no other electrons? Enter the name of the element, not the abbreviation.
element name:
3.) How many valence electrons do atoms of each of the elements have?
Sr :
valence electrons
Xe :
valence electrons
Ge :
valence electrons
P :
valence electrons
4.) Iridium‑192 is one radioisotope used in brachytherapy, in which a radioactive source is placed inside a patient's body to treat cancer.…
Chapter 12 Solutions
Conceptual Integrated Science
Ch. 12 - How many electrons can occupy the first shell? How...Ch. 12 - Which electrons are represented by an electron-dot...Ch. 12 - Prob. 3RCCCh. 12 - How does an ion differ from an atom?Ch. 12 - To become a negative ion, does an atom lose or...Ch. 12 - Prob. 6RCCCh. 12 - Prob. 7RCCCh. 12 - Prob. 8RCCCh. 12 - Prob. 9RCCCh. 12 - Prob. 10RCC
Ch. 12 - Prob. 11RCCCh. 12 - Prob. 12RCCCh. 12 - Why do nonpolar substances boil at relatively low...Ch. 12 - Which has a greater degree of symmetry-a polar...Ch. 12 - Why dont oil and water mix?Ch. 12 - Prob. 16RCCCh. 12 - What is a hydrogen bond?Ch. 12 - Are induced dipoles permanent?Ch. 12 - What happens to the volume of a sugar solution as...Ch. 12 - Prob. 20RCCCh. 12 - Is concentration typically given with the volume...Ch. 12 - Why does the solubility of a gas solute in a...Ch. 12 - Why do sugar crystals dissolve faster when...Ch. 12 - Is sugar a polar or nonpolar substance?Ch. 12 - Do metals more readily gain or lose electrons?Ch. 12 - What is an alloy?Ch. 12 - What is a native metal?Ch. 12 - Prob. 28TISCh. 12 - Prob. 29TISCh. 12 - How is a solution different from a suspension?Ch. 12 - Prob. 36TCCh. 12 - Prob. 37TCCh. 12 - Rank the following in order of increasing...Ch. 12 - Rank the following in order of decreasing boiling...Ch. 12 - Rank these solutions in order of increasing...Ch. 12 - Rank the following compounds in order of...Ch. 12 - Prob. 42TSCh. 12 - Prob. 43TSCh. 12 - Prob. 44TSCh. 12 - How much sodium chloride, in grams, is needed to...Ch. 12 - If water is added to 1mole of sodium chloride in a...Ch. 12 - Prob. 47TECh. 12 - Prob. 48TECh. 12 - How many more electrons can fit within the valence...Ch. 12 - Prob. 50TECh. 12 - What happens when hydrogens electron gets close to...Ch. 12 - Why does an atom with few valence electrons tend...Ch. 12 - Why it is so easy for a magnesium atom to lose two...Ch. 12 - Why doesnt the neon atom tend to lose or gain any...Ch. 12 - Sulfuric acid, H2SO4, loses two protons to form...Ch. 12 - Prob. 56TECh. 12 - Which should be more difficult to pull apart: a...Ch. 12 - Given that the total number of atoms on our planet...Ch. 12 - Prob. 59TECh. 12 - Two fluorine atoms join together to form a...Ch. 12 - How are metallic bonds similar to ionic bonds? How...Ch. 12 - What drives an atom to form a covalent bond: its...Ch. 12 - Atoms of nonmetallic elements form covalent bonds,...Ch. 12 - Prob. 64TECh. 12 - Prob. 65TECh. 12 - Prob. 66TECh. 12 - In each molecule, which atom carries the greater...Ch. 12 - Which is more polar: a sulfur-bromineS-Br bond or...Ch. 12 - True or False: The greater the nuclear charge of...Ch. 12 - True or False: The more shells in an atom, the...Ch. 12 - Water, H2O, and methane, CH4, have about the same...Ch. 12 - Circle the molecule from each pair that should...Ch. 12 - Three kids sitting equally apart around a table...Ch. 12 - Why is the oxygen atom of a water molecule...Ch. 12 - Look to the molecules listed in Table 12.2. How...Ch. 12 - Which is stronger: the covalent bond that holds...Ch. 12 - The charges with sodium chloride are all...Ch. 12 - Prob. 78TECh. 12 - Prob. 79TECh. 12 - Why is calcium fluoride, CaF2, a high melting...Ch. 12 - Of the two structures shown here, one is a typical...Ch. 12 - Mixtures can be separated into their components by...Ch. 12 - Why cant the elements of a compound be separated...Ch. 12 - Many dry cereals are fortified with iron, which is...Ch. 12 - Classify the following as element, compound, or...Ch. 12 - Which of the following boxes best represents a...Ch. 12 - Which is more dense: air saturated with water...Ch. 12 - How many sugar molecules are there in a 2M sugar...Ch. 12 - Prob. 89TECh. 12 - Which should weigh more: 100mL of fresh water or...Ch. 12 - Prob. 91TECh. 12 - The boiling point of 1, 4-butanediol is 230C....Ch. 12 - Based on atomic size, which would you expect to be...Ch. 12 - If nitrogen, N2, were pumped into your lungs at...Ch. 12 - Prob. 95TECh. 12 - Account for the observation that ethanol, C2H5OH,...Ch. 12 - At 10C, which is more concentrated: a saturated...Ch. 12 - Why is rain or snow called precipitation?Ch. 12 - Hydrogen chloride HCl is a gas at room...Ch. 12 - Some bottled water is now advertised as containing...Ch. 12 - Two plastic bottles of fresh seltzer water are...Ch. 12 - Would you expect to find more dissolved oxygen in...Ch. 12 - What should be done with mining pits after all...Ch. 12 - What are some of the obstacles people face when...Ch. 12 - Oxygen, O2, dissolves quite well within a class of...Ch. 12 - Prob. 1RATCh. 12 - Prob. 2RATCh. 12 - Why are ores so valuable? a They are sources of...Ch. 12 - In terms of the periodic table, is there an abrupt...Ch. 12 - When nitrogen and fluorine combine to form a...Ch. 12 - Prob. 6RATCh. 12 - Someone argues that you shouldnt drink tap water...Ch. 12 - Prob. 8RATCh. 12 - Fish dont live very longer in water that has just...Ch. 12 - Prob. 10RAT
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