1. Which of the following subatomic particles determine the identity of an atom? A protons B. neutrons C. protons plus neutrons D. electrons plus protons co Q3 Science 8 Module 3 27 2. An atom of an element is electrically neutral because the number of protons is equal to the number of A electrons B. neutrons C. nucleons D. nucleus 3. Which particles have approximately the same size and mass? A. protons and neutrons B. electrons and protons C. neutrons and electrons D. None because all are different in terms of size and mass
1. Which of the following subatomic particles determine the identity of an atom? A protons B. neutrons C. protons plus neutrons D. electrons plus protons co Q3 Science 8 Module 3 27 2. An atom of an element is electrically neutral because the number of protons is equal to the number of A electrons B. neutrons C. nucleons D. nucleus 3. Which particles have approximately the same size and mass? A. protons and neutrons B. electrons and protons C. neutrons and electrons D. None because all are different in terms of size and mass
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Directions: Choose the letter of the correct answer. Write your answers on a separate
sheet of paper.
1. Which of the following subatomic particles determine the identity of an atom?
A. protons
B. neutrons
C. protons plus neutrons
D. electrons plus protons
27
co Q3_Science 8 Module 3
An atom of an element is electrically neutral because the number of protons
is equal to the number of
A. electrons B.
2.
neutrons
C. nucleons
D. nucleus
Which particles have approximately the same size and mass?
A. protons and neutrons B.
electrons and protons
C. neutrons and electrons
D. None because all are different in terms of size and mass
3.
4. Which two particles would be attracted to each other?
A. protons and neutrons B.
electrons and protons
C. electrons and neutrons
D. All particles are attracted to cach other.
5.
Which of the following statements are TRUE about the subatomic particles?
I. The charge of electron is opposite to the charge of proton. II. Proton has
approximately the same mass with neutron.
III. Electrons and protons are located within the nucleus. IV.
The mass of an atom is concentrated at the nucleus.
A. 1, II, and II
B. I, II, and Iv
C. I, II, and IV
D. I, II, II, and IV
6.
What was Thomson's atomic model called?
A. Spherical Model
B. Solar System Model
C. Plum Pudding Model
D. Model of the Atomic Theory
7. Which of the following statements BEST describes the location of electrons in
Rutherford's model of the atom?
A. The electrons are inside the nucleus.
B. The electrons are outside the nucleus.
C. There are no electrons in the Rutherford Model.
D. Electrons are both inside and outside of the nucleus.
8. How do we call the protons and neutrons that are found together in the
nucleus?
A. nuclei
B. nucleons
C. atomic mass
D. mass number
28
co Q3_Science 8_ Module 3
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