Chemistry In Focus
Chemistry In Focus
6th Edition
ISBN: 9781305084476
Author: Tro, Nivaldo J., Neu, Don.
Publisher: Cengage Learning
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Chapter 1, Problem 4SC
Interpretation Introduction

Interpretation:

The given statement is to be completed by selecting correct given option.

Concept introduction:

An atom is the smallest particle that cannot be divided further. A nucleus is the dense part of an atom, present at its center.

Atoms are made up of small particles called electrons, protons and neutrons.

Protons are the positively charged species and electrons are the negatively charged species.

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For an atom to be electrically neutral, it must have the same number of:   a. electrons and neutrons   b. electrons and protons   c. neutrons and protons   d. neutrons only   e. electrons, neutrons, and protons
In any neutral Adam there are equal numbers of? A. Neutrons and electrons B. Protons and neutrons C. Positrons and electrons D. Electrons and protons
15 Which best describes the atom: Fe A. 56 protons, 26 neutrons B. 26 protons, 30 neutrons C. 26 protons, 56 neutrons D. 82 protons, 26 neutrons 16 Which best describes the atom: Krypton-86? A. 86 protons, 36 neutrons B. 36 protons, 86 neutrons C. 43 protons, 43 neutrons D. 36 protons, 50 neutrons 17 A selenium atom has a 2- charge. Which best describes the selenium atom? A. Anion C. Protion D. Electrion B. Cation 18 A selenium atom has a 2- charge. Which best describes the selenium atom? A. 34 protons, 32 electrons B. 34 protons, 36 electrons C. 32 protons, 34 electrons D. 79 protons, 34 electrons 19. A manganese atom has a 5+ charge. Which best describes the manganese atom? A. 20 protons, 25 electrons B. 25 protons, 20 electrons C. 55 protons, 30 electrons D. 30 protons, 25 electrons 20. Which is accurate about the atom? A. Mass of proton = mass of electron B. Mass of neutron = mass of electrons C. Mass of proton = mass of neutron D. Mass of proton = mass of electron = mass of…

Chapter 1 Solutions

Chemistry In Focus

Ch. 1 - Define chemistry.Ch. 1 - Prob. 5ECh. 1 - Prob. 6ECh. 1 - How are science and art similar? How are they...Ch. 1 - What is different about the Greek philosophers...Ch. 1 - Match each of the people in column A with their...Ch. 1 - What were the two main pursuits of alchemy? What...Ch. 1 - Prob. 11ECh. 1 - What is the difference between an element and a...Ch. 1 - What is the difference between a pure substance...Ch. 1 - What is the difference between a homogeneous...Ch. 1 - Explain the differences among a solid, a liquid,...Ch. 1 - Match each term in the left column with three...Ch. 1 - What is the atomic theory?Ch. 1 - Describe Rutherfords gold foil experiment.Ch. 1 - Describe the structure of the atom as explained by...Ch. 1 - What are black holes, and how does their existence...Ch. 1 - Classify each of the following as an observation...Ch. 1 - Classify each of the following as a law or a...Ch. 1 - To the best of your knowledge, classify each of...Ch. 1 - To the best of your knowledge, classify each of...Ch. 1 - Which substance is a liquid mixture? a. lemonade...Ch. 1 - Which substance is a solid? a. the helium in a...Ch. 1 - Classify each of the following properties as...Ch. 1 - Classify each of the following properties as...Ch. 1 - Classify each of the following changes as physical...Ch. 1 - Classify each of the following changes as physical...Ch. 1 - The burning of gasoline in automobile engines is a...Ch. 1 - A campfire is a chemical reaction involving wood...Ch. 1 - Prob. 33ECh. 1 - Prob. 34ECh. 1 - A chemist combines 22 grams of sodium with 28...Ch. 1 - A chemist combines 6 grams of hydrogen with 52...Ch. 1 - Several samples of carbon dioxide are obtained and...Ch. 1 - Several samples of methane gas, the primary...Ch. 1 - According to Rutherfords model of the atom, how...Ch. 1 - According to Rutherfords model of the atom, how...Ch. 1 - When water boils, small bubbles form in the...Ch. 1 - Prob. 42ECh. 1 - Prob. 43ECh. 1 - Prob. 44ECh. 1 - Prob. 45ECh. 1 - The nuclei of a limited number of atoms are...Ch. 1 - Prob. 47ECh. 1 - Based on the molecular views shown for each of the...Ch. 1 - Read The Molecular Revolution" box in this chapter...
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