Properties of Matter
Anything that takes up space and has mass is called what?
Matter
What are the four states off matter?
Solid, liquid, gas and plasma.
Carbon
Elements found in the same period have what in common?
The smallest piece of an element that still retains the properties of that element is called ____.
Atom
How do the particles move in solids and liquids?
In solids, the particles vibrate.
In liquids, the particles flow or slide around one another.
Why is the mass of an atom contained in the nucleus of the atom?
Which of the following elements would be most common among living things?
Argon, Cobalt, Iron, Oxygen
Oxygen
Elements similar to one another are in the same....
Define density
Amount of mass per unit volume.
Which phase of matter has particles with high energy, fast, random movement and no electrical charge?
Gas
It is impossible to tell where electrons are because they........
move so fast.
Elements can not do this because they are made of only one kind of atom.
They can not be broken down into different kinds of substances.
Why do Noble Gases not form compounds with other elements?
They already have full outer energy levels
A characteristic of matter that can be observed without changing the matter.
What physical property of matter can help determine what the matter is composed of?
What two elements make up most of the Earth's crust?
Silicon and Oxygen
Whose periodic table do we use today?
Henry Mosely
Name three chemical properties of matter.
Reactivity, flammability, combustion, oxidation (rusting/tarnishing), digestion, etc
How do the particles of a substance move as heat is added to it?
The particles move faster and farther apart.
Define isotope.
An element with a different number of neutrons.
How are elements in the same family similar?
They have similar reactivity (the way they form compounds).
Would also accept the number of valence electrons.
Which two families are the most reactive?
The Halogens and Alkali Metals