Isaz Chemistry A Block 3 Pre-test

10 Questions | By Shaun_horton | Updated: Mar 20, 2022 | Attempts: 55

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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.

Questions and Answers

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