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 molecular name 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 type of molecule is this?
elemental molecule
200
When looking at the Periodic Table how can you tell the difference between the Atomic Number and the Atomic Mass? Describe two ways
1) The Atomic Number is usually on top and the Atomic Mass is usually on the bottom
2) The Atomic Number is the smallest number and the Atomic Mass is the bigger number
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
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
What type of molecule is Cl2?
elemental molecule
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 Atomic Mass - Atomic Number equal?
the # of neutrons
500
What type of molecule is this?
Compound Molecule
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
What is the name of this molecule: CH4
Methane
600
This man created the periodic table
Dimitri Mendeleev
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