Scientific Processes and Properties of Metals
Atoms and Bonding
Solids, Liquids, Gases
Matter, Elements and the Periodic Table
Miscellaneous
100
What stage of the technology design process involves coming up with the ideas or different ways to solve a problem?
What is the solution stage.
100
When an atom loses an electron, it becomes a
What is positive ion.
100
In the laboratory, volumes of liquid are usually measured with a(n)?
What is a graduated cylinder.
100
The measurement of how much matter an object contains is its?
What is mass.
100
What type of reaction is FeS + 2HCl -> FeCl2 + H2S?
What is a double replacement reaction.
200
In the periodic table, the most reactive metals are found
What is Group 1, the first column on the left.
200
In what form can an ionic compound conduct electricity?
What is when dissolved in water.
200
One example of a physical change is?
What is dissolving salt in water.
200
The elements in a column of the periodic table?
What is have similar properties.
200
The force of a gas's outward push divided by the area of the walls of the container is the gas's?
What is pressure.
300
A material is said to be ductile if it
What is can be pulled out, or drawn, into wire.
300
A shorter, easier way to show chemical reactions, using symbols instead of words, is called a
What is a chemical equation.
300
One example of a chemical change is?
What is burning wood.
300
Each family in the periodic table has its own characteristic properties based on the number of?
What are valence electrons.
300
The pH scale measures?
What is the concentration of hydrogen ions.
400
Most metals are NOT
What is liquid at room temperature.
400
All elements are composed of extremely small particles called?
What are atoms?
400
A solid is a state of matter that has a(n)?
What is definite volume and a definite shape.
400
How did chemists change Mendeleev's periodic table in the early 1900s?
What is they used atomic number instead of atomic mass to organize the elements.
400
You can find the pH of a substance by using?
What is litmus indicator.
500
In designing a toy car, considering how much the final product will cost is an example of a
What is constraint.
500
Which particles in atoms have a negative electric charge?
What are electrons.
500
The surface of water can act like a sort of skin due to a property of liquids called?
What is surface tension.
500
What is the greatest number of valence electrons an atom can have?
What is 8.
500
What happens when chemical bonds break and new bonds form?
What is a chemical reaction.
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