Question | Answer |
Which is an element, Cobalt or Carbon monoxide? | Cobalt |
Is salt water a heterogeneous or homogeneous mixture? | Homogeneous |
A metal can be bent into new shapes because it is what? | Malleable |
What do we call it when we can pull a metal out to form wires? | Ductility |
Baking powder contains three different chemicals plus corn starch. Is it a compound? | No, it is a mixture |
Define density mathematically | Mass divided by volume |
The melting point of water is the same as what? | The freezing point |
I heat up sulfur and iron filings to form a compound, FeS. How can I use a magnet to separate the iron? | I can't, it is no longer a mixture, and FeS is not magnetic |
If sugar dissolves in alcohol but salt does not, what lab equipment to I need to separate a mixture of sugar and salt? | A funnel and filter paper |
Name two types of pure substances | Elements and compounds |
You can smell bleach and gasoline because they are... | Volatile |
Which is a compound, water or iron? | Water |
Is sodium hydroxide, NaOH, a compound or a mixture? | Compound |
Metals are shiny. This is called: | Luster |
What does a mixture contain? | More than one substance |
What is volume? | The amount of space something takes up. |
Which changes on the moon? Mass, weight, volume or density? | Weight |
Substances that are made up of only one type of atom are called what? | Elements |
What do we call the smallest part of an element that still has the properties of the element? | Atoms |
Which is a homogeneous mixture, soil or air? | Air |
Which is an element, cobalt or carbon monixide? (Co or CO) | Cobalt, Co |
If you can see the individual components of a mixture, you know it is: | Heterogeneous |
IF a piece of wood sinks in water, what can you say about its density relative to the density of water? | The wood is denser. |