Vocabulary
Elements
Counting Atoms
Molecules and Compounds
Mixed Review
100
This is anything that has mass and takes up space. Everything around us is made of this.
What is matter?
100
This element's symbol is C
What is carbon?
100
If an element does not have a number behind it like F or O, how many atoms does it contain?
What is 1?
100
Molecules are ALWAYS made of at least this number of atoms
What is 2?
100
The center of an atom is known as the __________.
What is nucleus?
200
This is the most basic part of an element and smallest particle. It can't be broken down
What is an atom?
200
This is the number of elements on the Periodic Table
What is 118?
200
The number of atoms in water
What is 3?
200
Scientific word for molecules being "connected" together
a. linked
b. bonded
c. hooked
What is bonded?
200
Name what the other subatomic particles are that are with neutrons in the nucleus.
What are protons?
300
What do you call two or more atoms that are combined together and can be two or more of the SAME type of atom or DIFFERENT types of atoms?
What is a molecule?
300
Elements are considered __________ substances, because they can't be broken down into other parts.
What is pure?
300
The number of atoms in aspirin
What is 21?
300
The subscript (small number) tells you how many of THESE there are in a compound or molecule
What is the number of atoms?
300
Is the charge of a proton positive or negative
What is positive?
400
These are molecules that are made of two or more elements like OH (oxygen and hydrogen)
What are compounds?
400
This is a green gas that could kill you. It's symbol is Cl
What is chlorine?
400
What is 8?
400
True or False? To be a compound, elements must CHEMICALLY combine to make a NEW SUBSTANCE
What is TRUE?
400
Name the particles that orbit the outside of a nucleus and have a negative charge.
What are electrons?
500
This is a substance that is made of all the same type of atoms and is found on the Periodic Table.
What is an element?
500
All elements have very specific _________ like their color, density, and their texture.
What are properties?
500
The number of atoms in CH4
What is 5?
500
TRUE OR FALSE? NaCl is salt and is made up of sodium and chlorine?
What is TRUE?
500
Name the gas/element that humans need to breathe in and is O2
What is oxygen?