Isaz Chemistry A Block 3 Pre-test
ISAZ Chemistry A block 3 pre-testIMPORTANT to READ: This quiz is NOT connected to the K12 LMS grade book. Please wait 3 to 5 school days for Mrs. L. To enter your grade points into the grade book. Please try to do your best! You will receive 10 pts for completing this quiz.
- 1.A description of how close a measurement is to the true value of the quantity measured. (AZ HS Science S1:C2:PO3)
- A.
Accuracy
- B.
Liter
- C.
Kilogram
- D.
Energy
- 2.A possible explanation of an observation that can be tested by scientific investigations is a(an) ____________________________. (AZ HS Science S1:C2:PO2)
- A.
Inference
- B.
Explanation
- C.
Hypothesis
- D.
Science
- 3.When matter moves from a gas to a liquid it is called _____________________. (AZ HS Science S5:C1:PO1)
- A.
Sublimation
- B.
Condensation
- C.
Deposition
- D.
Density
- 4.A change in a substance that involves a change in the identity of the substance is _________________. (AZ HS Science S1:C5:PO2)
- A.
Chemical Change
- B.
Phase Change
- C.
Physical Property
- D.
Physical Change
- 5.Which of the following is not a fundamental particle in an atom? (AZ HS Science S5:C1:PO6)
- A.
Electron
- B.
Element
- C.
Neutron
- D.
Proton
- 6.What is the negatively—charged particle in an atom? (AZ HS Science S5:C1:PO6)
- A.
Proton
- B.
Positron
- C.
Electron
- D.
Neutron
- 7.An atom of an element contains eight electrons. What is the identity of this element? (AZ HS Science S5:C1:PO3)
- A.
Flourine
- B.
Carbon
- C.
Oxygen
- D.
Nitrogen
- 8.What is a chemical compound? (AZ HS Science S5:C1:PO4)
- A.
A subatomic particle
- B.
A combination of two protons and two electrons
- C.
A combination of two or more chemical elements
- D.
A mixture of two or more substances
- 9.(True or False) An ionic bond forms when one or more pairs of electrons are shared between two atoms. (AZ HS Science S5:C1:PO4)
- A.
True
- B.
False
- 10.Sodium is a/an: (AZ HS Science S5:C1:PO4)
- A.
Element
- B.
Compound
- C.
Homogeneous mixture
- D.
Heterogeneous mixture
Questions: 10 | Attempts: 49157 | Last updated: Aug 26, 2021
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Sample QuestionWhat is the name of this chemical? NH4+
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Sample QuestionAll matter consists of particles called________________.
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Sample QuestionThe substances that enter a chemical reaction are called __________.
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