Parts of an atom
Counting Atoms
Periodic Table
Random
Vocabulary
100
_______is the name of the central part of the atom
nucleus
100
How many total Carbon atoms are in this molecule?
5C5H10
25
Answer: (5x5)= 25
100
What is the mass of an atom with 4 protons, 5 neutrons, and 4 electrons?
9
Because you don't count electrons, they are too small to really affect the mass
100
Atom or Molecule?
Double point option: identify whether it is an atom or molecule AND what it's name is. If you get both right, you can double your points
Atom
Double point answer: Lithium
If you get both right, you can double your points
100
This is the smallest unit of matter
atom
200
_____ the part of the atom is located in the nucleus and has a positive charge
proton
200
How many total Hydrogen atoms are in this molecule?
3LiC5H3N2O4
9
Answer: 3x3=9
200
This is the name of the atom with 8 electrons?
Oxygen
200
Atom or Molecule?
Double point option: identify whether it is an atom or molecule AND what it's name is. If you get both right, you can double your points
molecule
double point answer: Methane
If you get both right, you can double your points
200
Which of the following shows the atoms present in a molecule?
a. Atomic mass
b. chemical formula
c. Molecule name
d. All of the above
b. chemical formula
300
______ part of the atom that is outside of the nucleus. This particle has a negative charge
electron
300
How many TOTAL atoms are in this molecule?
C6H6MgO7
20
Answer: 6+6+1+7=20
300
This atom has 17 protons, 17 neutrons, and 17 electrons.
Chlorine
300
True or False: the majority of the periodic table is made up of gases
False
Answer: it's actually made up of mainly metals
300
This is a singular building block of matter
element or atom
400
____ part of the atom that contributes to the mass of the atom and has no charge
neutron
400
How many TOTAL atoms are in this molecule?
4KMnO4
24
Answer: (4x1)+(4x1)+(4x4)= 24
400
An atom has a mass of 55.85 and an atomic number of 26. How many protons does this atom have?
26
400
atoms of the same element that have different numbers of neutrons are called______
isotopes
400
2 or more of the same atoms combine to form ____
molecules
500
_______ ________ or ________ is the area surrounding the nucleus where the electrons are found
electron cloud or orbitals
500
How many TOTAL atoms are in this molecule?
6Na2B4O
42
Answer: (6x2)+(6x4)+(6x1)= 42
500
This atom has a mass of 65.4 and an atomic number of 30. How many neutrons does this atom have?
35.4 or 35
500
When _____ form, the atoms lose their individual properties and take on new properties.
molecules
500
2 or more different atoms combined to form a ______ _______
compound molecule