8.5A Atomic structure
Quiz
•
Science
•
8th Grade
•
Hard
Standards-aligned
Hugo Jasso
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14 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which statement best describes the nucleus of an atom?
It is a centrally located structure comprising almost all of the atomic mass and having an overall neutral charge
It is a centrally located structure comprising almost none of the atomic mass and having an overall positive charge
It is located in the electron cloud, comprises almost all of the atomic mass, and has a positive charge
It is a centrally located structure comprising almost all of the atomic mass and having an overall positive charge
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Am element has 27 protons, 27 electrons, and 32 neutrons. Calculate the atomic mass of this element.
59
54
86
32
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
If an atom has 12 protons, 13 neutrons, and 12 electrons, what is the charge of the nucleus?
+12
-13
-12
+13
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which section of the Venn diagram represents the contents of the nucleus?
IV
V
VII
VI
Tags
NGSS.MS-LS1-1
NGSS.MS-LS1-2
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which diagram correctly describes the structure of a fluorine atom?
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
An electron is approximately 0.05% of the mass of a proton. Protons and neutrons each have a mass of 1 amu. Which of the following best describes the relationship between mass and subatomic particles?
The mass of an electron is equal to that of a neutron
Atomic mass is the total number of protons and electrons
A neutron has 0.05% more mass than an electron
The nucleus comprises over 99% of the atom's mass
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A student is given two diagrams, a neutral copper atom and a neutral mercury atom. Which statement best describes the difference in the number of electrons for these two atoms?
Copper has 29 less electrons than mercury
Mercury has 51 more electrons than copper
Copper has 51 more electrons than mercury
Mercury has 29 less electrons than copper
Tags
NGSS.MS-PS1-1
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