Atoms 1
Atoms 2
vocabulary
Periodic Table 1
Periodic Table 2
100
Two or more atoms bonded together.
Molecule
100
A chart of all known elements that scientists reference when working with atoms or molecules.
The Periodic Table of Elements
100
The basic unit of an element. All matter is made up of ______.
Atoms
100
What chart should you reference to lookup information about elements?
The Periodic Table of Elements
100
Which of these is the simplest atom?
Uranium
Chlorine
Oxygen
Hydrogen
Hydrogen
200
What is an atom made of?
Atoms are made up of 3 different smaller particles; protons, neutrons and electrons.
200
What makes elements different from each otther?
Each element has a certain number of protons, electrons and neutrons.
200
Protons and neutrons clump together at the center of an atom to form the nucleus of an atom.
Nucleus
200
How many neutrons are in the atom "K"?
20
200
______ is an ELEMENT since it is only made up of one type of atom.
Water
Air
Gold
Salt
Gold
300
The number of atoms it would take to make a molecule of water.
3
300
A substance that is made up for one type of atom is called an:
atom
element
compound
mixture
element
300
A positively charged subatomic particle located at the center of an atom.
Protons
300
Atoms are more than ________ times smaller than the width of a hair.
10
100
1,000
10,000
10,000
300
The second energy level can hold up to how many electrons?
8
400
How do you find out the number of neutrons in an atom?
atomic mass-atomic number
400
Protons and neutrons clump together to form the __________ of an atom.
Nucleus
400
A subatomic particle with no charge located at the center of an atom.
Neutron
400
What is the atomic mass of "F"
19
400
How do you find out the number of protons in an atom?
atomic number
500
The first energy level can hold up to how many electrons?
2
500
Which is an electron?
A
B
C
A
500
A subatomic particle of an atom that is negatively charged and orbits the nucleus extremely fast.
Electron
500
Which item on this element square is the chemical symbol for copper?
Cu
500
How are elements ordered on the Periodic Table?
Alphabetical Order
By their color.
By their atomic mass.
By their atomic number.
By their atomic number.