Pearson eText Biology: Life on Earth with Physiology -- Instant Access (Pearson+)
12th Edition
ISBN: 9780135755785
Author: Gerald Audesirk, Teresa Audesirk
Publisher: PEARSON+
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Textbook Question
Chapter 2, Problem 2FIB
An atom that has lost or gained one or more elections is called a(n) ________. If an atom loses an electron it takes on a(n) ________ charge. Atoms with opposite charges attract one another, forming ________ bonds.
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An atom that has lost or gained one or more electrons iscalled a(n)______ . If an atom loses an electron it takes on a(n)____________ charge. Atoms with opposite charges attract one another, forming______ bonds.
An atom that has lost an electron is said to be
positive (positively charged)
negative (negatively charged)
The protons and neutrons are contained
within the
of the atom.
O Electron Cloud
Atomic Center
Middle
O Nucleus
Chapter 2 Solutions
Pearson eText Biology: Life on Earth with Physiology -- Instant Access (Pearson+)
Ch. 2.1 - What is the mass number of hydrogen? Of helium?Ch. 2.1 - Unstable Atoms Unleashed Because exposure to...Ch. 2.1 - Prob. 2TCCh. 2.1 - What causes the coals of a campfire to glow?Ch. 2.1 - In addition to lower brain activity, what other...Ch. 2.1 - define clement and atom?Ch. 2.1 - Prob. 2CYLCh. 2.1 - explain atomic number and mass number?Ch. 2.1 - explain radioactivity and its dangers and...Ch. 2.1 - describe electron shells?
Ch. 2.2 - At a physical exam, Thomas, a sedentary...Ch. 2.2 - Prob. 1CYLCh. 2.2 - Prob. 2CYLCh. 2.2 - explain atomic number and mass number?Ch. 2.3 - The slap of a belly flop provides firsthand...Ch. 2.3 - Prob. 1TCCh. 2.3 - Predict how a drop of water on an oil-coated...Ch. 2.3 - Prob. 3TCCh. 2.3 - Prob. 1CYLCh. 2.3 - Prob. 2CYLCh. 2.3 - explain atomic number and mass number?Ch. 2.3 - Prob. 1CTCh. 2 - Which of the following is false? a. An dement is...Ch. 2 - Prob. 2MCCh. 2 - Isotopes are defined as a. atoms of the same...Ch. 2 - Prob. 4MCCh. 2 - Prob. 5MCCh. 2 - An atom consists of an atomic nucleus composed of...Ch. 2 - An atom that has lost or gained one or more...Ch. 2 - Prob. 3FIBCh. 2 - Prob. 4FIBCh. 2 - Water is described as __________ because each...Ch. 2 - Prob. 1RQCh. 2 - Distinguish between atoms and molecules and among...Ch. 2 - Prob. 3RQCh. 2 - Prob. 4RQCh. 2 - Prob. 5RQCh. 2 - Prob. 6RQCh. 2 - Prob. 7RQCh. 2 - Detergents help clean by dispersing fats and oils...Ch. 2 - Prob. 2ACCh. 2 - Prob. 3AC
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- What atom has only one proton? a. hydrogen c. a free radical b. an isotope d. a radioisotopearrow_forwardA. The first shell corresponds to the first energy level, and it can hold up to 2 electrons. Hydrogen has one proton, so it has 1 electron and one vacancy. A helium atom has 2 protons, 2 electrons, and no vacancies. B. The second shell corresponds to the second energy level, and it can hold up to 8 electrons. Carbon has 6 electrons, so its first shell is full. Its second shell has 4 electrons and four vacancies. Oxygen has 8 electrons and two vacancies. Neon has 10 electrons and no vacancies. C. The third shell corresponds to the third energy level, and it can hold up to 8 electrons. A sodium atom has 11 electrons, so its first two shells are full; the third shell has one electron. Thus, sodium has seven vacancies. Chlorine has 17 electrons and one vacancy. Argon has 18 electrons and no vacancies. Figure It Out: Which of these models have unpaired electrons in their outer shell?arrow_forwardWhich of the following combinations describes the electron in the modern model of an atom? O negative charge and located in orbitals surrounding the nucleus Opositive charge and located in orbitals surrounding the nucleus negative charge and located in the nucleus Ono charge and located in the nucleusarrow_forward
- Silver (Ag) atoms contain fewer electrons, neutrons and protons than Gold (Au) atoms. To change Silver into Gold, a chemist might try to add nucleus, because these particles are the ones that to the determine the identity of an atom. protons and electrons neutrons electrons neutrons and electrons protonsarrow_forwardIf an electron spends more time with one atom in a molecule and less time with another, the atom with the electron spending more of its time will be partially negatively charged. the same partially positively chargearrow_forwardIf an atom has an atomic number of 6 and an atomic mass of 14, that means it must have _____ protons.arrow_forward
- The most abundant form of carbon has an atomic number of 6 and a mass of 12. A small amount of carbon exists as the isotope carbon 14. What number of protons, neutrons, and electrons would you expect to see in an atom of carbon 14?arrow_forwardKnowing the atomic mass of an element allows inferences about which of the following? the number of protons plus neutrons in the element the number of protons plus electrons in the element the number of electrons in the element the number of protons in the elementarrow_forward_____________bonds hold hydrogen to oxygen within a water molecule, while ___________ bonds attach one water molecule to another water molecule due to their polarity. Group of answer choices: ionic; hydrogen covalent; hydrogen hydrogen; ionic covalent; ionic hydrogen; covalentarrow_forward
- Monomers are joined together to form larger polymers through __________. Such a reaction releases a molecule of __________.arrow_forwardIn a water molecule, hydrogens are partially _____; oxygens are partially _____.arrow_forwardWhy the Number of Electrons Matter Since we know each element as a defined number of protons, we can also use that number to determine the number of electrons, assuming the element has no charge. Let’s write some out: ELEMENT NUMBER OF PROTONS NUMBER OF ELECTRONS C A B O C D Al E F Na G H Si I Jarrow_forward
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