Atoms
Vocab
Molecules
Random
Periodic Table
100
The positively charged particle
A proton
Double points
100
A (n) _____ is a very small particle that is the basic unit of matter.
Atom
100
How many atoms do you need to form a molecule?
2 or more
Double points
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 the same as its number of ______
electrons
Double points
200
This particle moves around the outside of nucleus
electrons
200
In the molecule H2o, what do the letters represent? What about the number?
The letters are the type of atom (hydrogen and oxygen) and the number tells us that there are 2 hydrogen atoms in the molecule.
Double points
200
What is the difference between mass and volume?
1) Mass is the weight
2) volume is the amount of space something takes. up
200
What is the number of electrons in Silicon?
14
300
What is in the nucleus of an atom?
protons + neutrons
300
Neutron have _______ charge
zero / neutral
Double points
300
This is a connection between atoms that holds molecules together
bonds
300
How many electrons does a Beryllium atom have?
4 electrons
Double points
300
What is the Symbol of Silicon?
Si
Double points
400
What is most of an atom made of?
Blank space
400
These are things that are made of two or more atoms
molecules
Double points
400
What is special about water compounds?
The hydrogen and the oxygen atoms do not share electrons equally, so water is a polar molecule.
400
How can two substances be made of the same element but look and feel different?
The arrangement of their molecules are different
400
How many neutrons are in Silicon?
14 or 14.086
500
What does the Atomic Mass - Atomic Number equal?
the # of neutrons
500
A solid material whose atoms, molecules, or ions are arranged in an ordered pattern.
Crystal
500
Why is salt shaped like crystals?
The atoms are arranged in a specific pattern.
500
What is matter?
Anything that has mass and volume
500
What is the "Zn"? or any letter on the periodic table
Chemical symbol
600
What part of an atom bonds to another atom?
Electrons
Double points
600
What is a subscript?
A number written to the right of a chemical symbol to show how many of that specific type of atom are present.
600
What is an extended structure?
A substance with molecules that are repeated in the same pattern over and over again.
600
What can substances be made of?
individual atoms or groups of molecules.
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
Double points