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WorksheetsScience Study Guide: Unit 1 test
Total questions: 22
Worksheet time: 24mins
Which list is the correct list of chemical properties?
Flammability, melting point, ability to rust.
Reactive to water, flammability, toxicity
Oxidation, toxicity, boiling point
Boiling point, heat, electricity
Draw a physical change.
What are 2 characteristics of a proton?
Positively charged
1 AMU
3 AMU
Negatively charged
Matter is anything that has...
(a)
What is the definition of a chemical property?
The substance is altered chemically but displays no difference in the physical or chemical properties after the change.
A substance that is not altered chemically its appearance is the only thing that is altered in the change.
A substance that is altered chemically and displays different physical and chemical properties after the change.
The substance is not altered chemically but the physical and chemical changes of the element have changed.
What are 2 characteristics of a electron?
negatively charged
Positively charged.
The mass of an electron is 1/1850 than that of a proton so it does not add significant mass to the atom.
The mass of an electron is 1/850 than that of a proton so it does not add significant mass to the atom.
What does the C represent?
atomic mass
atomic number
element name
chemical symbol
What does the 6 represent?
atomic mass
atomic number
element name
chemical symbol
What does 12.011 represent?
atomic mass
atomic number
element name
chemical symbol
Salt dissolves in water:
physical Change
chemical change
Mass can not be (a)
Name a list of physical properties from the notes.
What element is located at group 5, period 6?
Hf
Ta
Mo
Cr
How many electrons can the second energy level hold?
2
8
18
32
How many periods or rows on the periodic table?
5
8
7
9
Which element has the highest electronegativity
Flourine
Copper
Nitrogen
Silver
