Homework Help is Here – Start Your Trial Now!
Science
Chemistry
3445 1- Page 3 15) Compared to an atom of C-12, an atom of C-14 has A) fewer protons CY mone neutrons D) fewer neutrons B) more protons A What is the mass number of an atom which contairs 28 protons, 28 electrons, and 16) 34 heutrons? A) 62 B) 28 C) 56 D) 90 17) A sample of Nitrogen contains 95% AN atoms,3% EN atoms and 2% 16N atoms. What is the average atomic mass of this sample? A) 16 amu B) 13 amu D) 14 amu (9 15 amu 18) If Xis the symbol of an element, which pair correctly represents isotopes of X 158 64 X and 158 158 A) 158 X and 64 64 65 158 D) 159 158 158 B) X and X and 64 64 64 64 19) What is the atomic number of an atom with six valence electrons? D) 6 C) 12 B)) 8 A) 10 A strontium atom differs from a strontium ion in that the atom has a greater 20) C) number of electrons D) number of protons mass number B) atomic number D 21) What is the total number of electrons in a Mg2- ion? 10 C) 2 B) 12 A) 24 Which of the following is the electron-dot symbol for an atom with an electron 22) configuration of 2-5? D) .x. B)

3445 1- Page 3 15) Compared to an atom of C-12, an atom of C-14 has A) fewer protons CY mone neutrons D) fewer neutrons B) more protons A What is the mass number of an atom which contairs 28 protons, 28 electrons, and 16) 34 heutrons? A) 62 B) 28 C) 56 D) 90 17) A sample of Nitrogen contains 95% AN atoms,3% EN atoms and 2% 16N atoms. What is the average atomic mass of this sample? A) 16 amu B) 13 amu D) 14 amu (9 15 amu 18) If Xis the symbol of an element, which pair correctly represents isotopes of X 158 64 X and 158 158 A) 158 X and 64 64 65 158 D) 159 158 158 B) X and X and 64 64 64 64 19) What is the atomic number of an atom with six valence electrons? D) 6 C) 12 B)) 8 A) 10 A strontium atom differs from a strontium ion in that the atom has a greater 20) C) number of electrons D) number of protons mass number B) atomic number D 21) What is the total number of electrons in a Mg2- ion? 10 C) 2 B) 12 A) 24 Which of the following is the electron-dot symbol for an atom with an electron 22) configuration of 2-5? D) .x. B)

Introductory Chemistry: A Foundation
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter4: Chemical Foundations: Elements, Atoms, And Ions
Section: Chapter Questions
Problem 18ALQ: It is good practice to actively read the textbook and to try to verify claims that are made when you...
See similar textbooks
icon
Related questions
Question

Question 17

3445 1- Page 3 15) Compared to an atom of C-12, an atom of C-14 has A) fewer protons CY mone neutrons D) fewer neutrons B) more protons A What is the mass number of an atom which contairs 28 protons, 28 electrons, and 16) 34 heutrons? A) 62 B) 28 C) 56 D) 90 17) A sample of Nitrogen contains 95% AN atoms,3% EN atoms and 2% 16N atoms. What is the average atomic mass of this sample? A) 16 amu B) 13 amu D) 14 amu (9 15 amu 18) If Xis the symbol of an element, which pair correctly represents isotopes of X 158 64 X and 158 158 A) 158 X and 64 64 65 158 D) 159 158 158 B) X and X and 64 64 64 64 19) What is the atomic number of an atom with six valence electrons? D) 6 C) 12 B)) 8 A) 10 A strontium atom differs from a strontium ion in that the atom has a greater 20) C) number of electrons D) number of protons mass number B) atomic number D 21) What is the total number of electrons in a Mg2- ion? 10 C) 2 B) 12 A) 24 Which of the following is the electron-dot symbol for an atom with an electron 22) configuration of 2-5? D) .x. B)
Transcribed Image Text:3445 1- Page 3 15) Compared to an atom of C-12, an atom of C-14 has A) fewer protons CY mone neutrons D) fewer neutrons B) more protons A What is the mass number of an atom which contairs 28 protons, 28 electrons, and 16) 34 heutrons? A) 62 B) 28 C) 56 D) 90 17) A sample of Nitrogen contains 95% AN atoms,3% EN atoms and 2% 16N atoms. What is the average atomic mass of this sample? A) 16 amu B) 13 amu D) 14 amu (9 15 amu 18) If Xis the symbol of an element, which pair correctly represents isotopes of X 158 64 X and 158 158 A) 158 X and 64 64 65 158 D) 159 158 158 B) X and X and 64 64 64 64 19) What is the atomic number of an atom with six valence electrons? D) 6 C) 12 B)) 8 A) 10 A strontium atom differs from a strontium ion in that the atom has a greater 20) C) number of electrons D) number of protons mass number B) atomic number D 21) What is the total number of electrons in a Mg2- ion? 10 C) 2 B) 12 A) 24 Which of the following is the electron-dot symbol for an atom with an electron 22) configuration of 2-5? D) .x. B)
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 1 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Phase Diagrams
Learn more about
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
  • SEE MORE QUESTIONS
Recommended textbooks for you
Introductory Chemistry: A Foundation
Introductory Chemistry: A Foundation
Chemistry
ISBN:
9781337399425
Author:
Steven S. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Living By Chemistry: First Edition Textbook
Living By Chemistry: First Edition Textbook
Chemistry
ISBN:
9781559539418
Author:
Angelica Stacy
Publisher:
MAC HIGHER
Chemistry In Focus
Chemistry In Focus
Chemistry
ISBN:
9781337399692
Author:
Tro, Nivaldo J.
Publisher:
Cengage Learning,
Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781133949640
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781337399074
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
SEE MORE TEXTBOOKS