Atoms
Compound
Matter
Metals and Non-metals
Properties of Matter
100
The smallest part of an element.
What is an atom?
100
When atoms of two or more different elements join together.
What is a compound?
100
Atoms join to form __________ .
What is a molecule?
100
A mixture of a metal and one or more metals or non-metals is called an _______.
What is an alloy?
200
A table that contains a list of all elements.
What is the Periodic Table?
200
The number of Hydrogen atoms in a molecule of water.
What is two?
200
We can write chemical equations using words or _______; the meaning is the same.
What is symbols?
200
Elements are either ________ or _______.
What is metals or non-metals?
200
Solids have a high or low density?
What is high density?
300
The periodic table uses a ______ for the element instead of the word.
What is a Symbol?
300
In a molecule of Carbon Dioxide (CO2), there are )____ atoms total.
What is three?
300
Color, hardness, and boiling point are examples of a _________ property.
What is Physical Property?
300
Most of the Elements in the Periodic Table are Metals or Non-metals.
What is Metals.
300
Gases have a high or low density.
What is low density?
400
The symbol for the element Aluminium.
What is Al ?
400
CH4 is a compound containing the elements _______ and _______.
What is Carbon and Hydrogen?
400
Elements can be _______, _________, or ________.
What is Solid, Liquid, or Gas?
400
List two physical properties that metals have (that non-metals do not have)
What is Conduct Electricity, Conduct Heat, Luster, Heavy, Hard.
400
Magnets can exert different forces. The forces are _____ and ______.
What is attract and repel?
500
The symbol Fe represents the element ______.
What is the symbol for Iron?
500
There are _____ atoms total in a molecule of CH4.
What is five?
500
Can you decide whether a substance is a solid, liquid, or gas at room temperature from its melting point and boiling point?
What is YES
500
Many non-metals are ______ at room temperature.
What is gases?
500
If the melting point and the boiling point is more than 25*C then the substance is a ________.
What is a solid?
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