iz (page 1 of 4)IIO IEV TVITAnswer True of False:1. A proton and an electron have the same mass but opposite charges.of2. The mass of an electron is considerably smaller than that of a neutron.Jestion3. An atomic mass unit (amu) is a unit of mass.4. One amu is equal to 1 gram.5. The protons and neutrons of an atom are found in the nucleus.6. The electrons of an atom are found in the space surrounding the atom.수7. All atoms of the same element have the same number of protons.8. All atoms of the same element have the same number of electrons.9. Electrons and protons repel each other.10. The size of an atom is approximately the size of its nucleus.11. The mass number of an atom is the sum of the number of protons and neutrons in in the nucleus of that atom.12. For most atoms, their mass number is the same as their atomic number.13. The three isotopes of hydrogen (hydrogen-1, hydrogen-2, and hydrogen-3) differ only in the number of neutrons in the nucleus.14. Hydrogen-1 has only one neutron in its nucleus, hydrogen-2 has two neutrons in its nucleus, and hydrogen-3 has three neutrons.15. All isotopes of an element have the same number of electrons.16. Most elements found on Earth are mixtures of isotopes.17. The atomic weight of an element given in the Periodic Table us the weighted average of the masses of its isotopes found on Farth18. The atomic weights of most elements are whole numbers.19. Most of the mass of an atom is found in its nucleus.20. The density of a nucleus is its mass number expressed in grams.AOC

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Answer True of False: 1. A proton and an electron have the same mass but opposite charges. 2. The mass of an electron is considerably smaller than that of a neutron. 3. An atomic mass unit (amu) is a unit of mass.

Answer True of False: 1. A proton and an electron have the same mass but opposite charges. 2. The mass of an electron is considerably smaller than that of a neutron. 3. An atomic mass unit (amu) is a unit of mass.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

Atomic Structure

The basic structure of an atom is defined as the component-level of atomic structure of an atom. Precisely speaking an atom consists of three major subatomic particles which are protons, neutrons, and electrons. Many theories have been stated for explaining the structure of an atom.

Shape of the D Orbital

Shapes of orbitals are an approximate representation of boundaries in space for finding electrons occupied in that respective orbital. D orbitals are known to have a clover leaf shape or dumbbell inside where electrons can be found.

Question

iz (page 1 of 4)
IIO IEV TVIT
Answer True of False:
1. A proton and an electron have the same mass but opposite charges.
of
2. The mass of an electron is considerably smaller than that of a neutron.
Jestion
3. An atomic mass unit (amu) is a unit of mass.
4. One amu is equal to 1 gram.
5. The protons and neutrons of an atom are found in the nucleus.
6. The electrons of an atom are found in the space surrounding the atom.
수
7. All atoms of the same element have the same number of protons.
8. All atoms of the same element have the same number of electrons.
9. Electrons and protons repel each other.
10. The size of an atom is approximately the size of its nucleus.
11. The mass number of an atom is the sum of the number of protons and neutrons in in the nucleus of that atom.
12. For most atoms, their mass number is the same as their atomic number.
13. The three isotopes of hydrogen (hydrogen-1, hydrogen-2, and hydrogen-3) differ only in the number of neutrons in the nucleus.
14. Hydrogen-1 has only one neutron in its nucleus, hydrogen-2 has two neutrons in its nucleus, and hydrogen-3 has three neutrons.
15. All isotopes of an element have the same number of electrons.
16. Most elements found on Earth are mixtures of isotopes.
17. The atomic weight of an element given in the Periodic Table us the weighted average of the masses of its isotopes found on Farth
18. The atomic weights of most elements are whole numbers.
19. Most of the mass of an atom is found in its nucleus.
20. The density of a nucleus is its mass number expressed in grams.
AOC

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