P.8.7

Quiz
•
Science
•
6th - 8th Grade
•
Hard
Standards-aligned
Charles Martinez
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the modern periodic table, which of the following describes elements with similar properties? (SC.8.P.8.6)
They have similar atomic masses.
They are located in the same group.
They are located in the same period.
They have the same number of protons.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Using a periodic table, determine which of the following pairs of elements would have the most similar properties: (SC.8.P.8.6)
(H) Hydrogen and (He) Helium
(N) Nitrogen and (Si) Silicon
(Ca) Calcium and (Fe) Iron
(Li) Lithium and (K) Potassium
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Use this element from the periodic table to answer the question. (SC.8.P.8.6)
What is the atomic mass for silicon?
14.0
14.1
28.1
42.1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following comparisons correctly describes subatomic particles? (SC.8.P.8.7)
An electron has a negative charge and a mass larger than the mass of a proton.
A neutron has a negative charge and a mass smaller than the mass of a proton.
A neutron has a neutral charge and a mass larger than the mass of an electron.
A proton has a positive charge and a mass smaller than the mass of an electron.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is an atom considered electrically neutral?
The number of protons equals the atomic number.
The number of electrons equals the number of neutrons.
The number of protons is the same as the number of electrons.
The number of electromagnetics equals the number of proteins
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A subatomic particle with a neutral charge is called
a proton
an isotope
an electron
a neutron
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An atom with the same atomic number but a different mass number is called
an ion
an isotope
an element
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