Atoms
Vocab words
Molecules
Random
Periodic Table
100
The positively charged particle
A proton
100
A (n) _____ is a very small particle that is the basic unit of matter.
Atom
100
What is the chemical formula of water?
H2O
100
How many electrons does an atom of Helium have?
2
100
What is the Atomic Number of Silicon?
14
200
The number of protons in an atom of an element is its Atomic ______
atomic number
200
This particle moves around the outside of nucleus
electrons
200
What is this molecule a compound?
No
200
When looking at the Periodic Table how can you tell the difference between the Atomic Number and the Atomic Mass?
1) The Atomic Number is usually on top and the Atomic Mass is usually on the bottom
200
What is the number of electrons in Silicon?
14
300
What is the Atomic Mass made up of?
protons + neutrons
300
Neutron have _______ charge
zero / neutral
300
This is a connection between atoms that holds molecules together
chemical bonds
300
How many electrons does a Beryllium atom have?
4 electrons
300
What is the Symbol of Silicon?
Si
400
In an atom, which particle has the least mass?
electron
400
These are things that are made of two or more atoms
molecules
400
Is Cl2 a molecule?
YES
400
What is the name of this specific molecule?
Carbon Dioxide
400
How many neutrons are in Silicon?
14 or 14.086
500
What does the Mass # - Atomic # equal?
the # of neutrons
500
What type of matter is this?
a molecule of a compound
500
What is the name of this molecule?
Glucose
500
What is the first element on the periodic table?
Hydrogen
500
What is the number of neutrons in Zinc?
35 or 35.38
600
What two particles determine the overall charge of an atom?
protons and electrons
600
The most dense structure within an atom is called the _______ and it is made up of ______ and ______.
nucleus - neutrons and protons
600
Is CH4 an atom or a molecule?
MOLECULE
600
What chart lists every known atom?
The Periodic Table
600
What is the Atomic Number, Atomic Mass and Number of Protons, Electrons, and Neutrons in Cobalt?
Atomic Number: 27
Atomic Mass:58.933 or 59
# of protons: 27
# of electrons: 27
# of neutrons: 31.933 or 32