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Chapter 11 Sc. Quest

Ch. 11 Sc. Questions

How many electrons are there? more than 100
What are most things around us usually made up of? combination of elements
What is volume? a property of an object
If you had two equally sized objects, how could you tell which one was more dense? The object with more mass will have more density.
The periodic table is an organized chart containing ..... letter symbols representing element names, the number of protons in the atoms of each element, elements in columns arranged by similar chemical properties.
In a formula for a compound, what do the numbers tell you? number of atoms
What causes materials to change size when they change temperature? their speed
Boiling point is the temperature at which liquid boils
Name 5 metals that are pure elements gold, silver, copper, iron and nickel
Name mixtures bronze, brass, and steel
Created by: Dorsey