Physical Science (pt. 2): properties of matter, mixtures..

Quiz
•
Science
•
8th Grade
•
Hard
+3
Standards-aligned
Edny Martinez
FREE Resource
23 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The model of the atom where the central core contains protons and neutrons surrounded by a cloud of electrons is best described as...
The Bohr model of the atom.
The modern model of the atom.
The plum pudding model of the atom.
The solar system model of the atom.
Tags
SC.8.P.8.7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Modern atomic theory states that the atom is a diffuse cloud surrounding a small, dense nucleus. Identify which particle is in the nucleus.
free radical
Tags
SC.8.P.8.7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Modern atomic theory states that the atom is a diffuse cloud of ________ surrounding a small, dense nucleus.
Tags
SC.8.P.8.7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which subatomic particle is involved in a chemical reaction?
A
B
C
D
Tags
SC.8.P.8.7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which part of the diagram represents the proton?
A
B
C
D
Tags
SC.8.P.8.7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these is NOT characteristic of acids?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The pH scale runs from 0 to 14, and is an indication of how acidic or basic a solution is. A pH close to zero indicates a(n) _______ solution, and a pH near 14 indicates a(n) _______ solution.
basic; acidic
neutral; basic
acidic; neutral
Tags
SC.8.P.8.8
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