stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Chemical Formulas, Periodic Table, APE MAN, and counting atoms/molecules Flashcards | StudBud
Explore
/
Chemical Formulas, Periodic Table, APE MAN, and counting atoms/molecules
Chemical Formulas, Periodic Table, APE MAN, and counting atoms/molecules
25 terms
·
StudBud Administration
·
314 plays
A #Chemistry #stoichiometry quiz to review how many #atoms in #molecules
Flashcards
25 cards
F
Practice quiz
P
Host live
L
Questions
25
Answers
1
In the APE MAN calculations, A stands for:
Number of Protons
Atomic Number
Number of Neutrons
Atomic Mass
2
How many ELEMENTS are in the following chemical formula? 3NaC
2
H
3
O
2
4
7
22
NACHOS!
3
You can tell how many valence electrons an element has by its ____ _____.
Period number
Group number
Atomic number
Atomic mass
4
Define: Molecule
One or more atoms
Two different atoms together
Two or more atoms joined together
Two atoms of the same element
5
In the APE MAN calculations, the three numbers that are the SAME are the ...
Number of Protons, Number of Neutrons, Atomic Mass
Number of Protons, Atomic Number, Number of Electrons
Number of Protons, Number of Neutrons, Atomic Number
Number of Protons, Number of Neutrons, Number of Electrons
6
How many ELEMENTS in this chemical formula? 3Mg(C
2
H
3
O
2
)
2
3
45
15
4
7
How many total
ATOMS
in the following chemical formula? 2CaCl
2
3
5
6
4
8
The MOST reactive elements have either ___ or ___ electrons in their valence shells
4 or 5
1 or 2
1 or 7
8 or 0
9
How many total atoms in this formula? 4N
2
12
4
6
8
10
On the periodic table of elements, Group 1A and Group 7A are...
The least reactive groups
Somewhat (sort-of) reactive
The most reactive groups
Not reactive AT all
11
How many
HYDROGEN atoms
are in the following chemical formula? 10H
2
O
20
8
1
10
12
What element is this? Use your periodic table.
Sulfur
Aluminum
Oxygen
Boron
13
How many MOLECULES of this are there? 5FeO
Don't care, it's ugly anyway
5
2
10
14
If I have 8 molecules of CO
2
, how do I write my formula?
8CO2
C8O16
C6H12O6
(CO2)8
15
How are Sodium, Aluminum, and Chlorine alike? (USE YOUR TABLE!)
They each are compounds
They each have one valence electron
They are all metals
They are all in the same row and have three electron levels
16
Where in the atom are the protons and neutrons located?
Anywhere in the atom
On the left corner
Around the edges or outside rings
In the center, clustered (grouped) together (the nucleus)
17
What is the atomic number of the element in the SAME group as carbon, with highest atomic mass?
82
87
86
111
18
The ____ are on the left side of the periodic table and the _____ are on the right side.
Metals, Non-metals
Metals, Metalloids
Non-Metals, Metals
Metalloids, Metals
19
How many total
atoms
in this molecule? (NH)
2
SO
4
15
8
12
4
20
A ____ and a ____ have the same mass.
proton, electron
electron, hydrogen atom
neutron, electron
proton, neutron
21
The molecule here is a ____.
Element molecule, because the atoms are different.
Compound molecule, because the atoms are different.
Element molecule, because the atoms are the same.
Compound molecule, because the atoms are the same.
22
In APE MAN, you subtract this number from the atomic mass to get the number of neutrons.
Number of positrons
Number of neutrons
Atomic mass
Atomic number
23
The LEAST reactive group of elements is the ______ _______.
Chalcogens
Halogens
Noble Gases
Alkali Metals
24
How many TOTAL atoms in this chemical formula: 2Mg(OH)
2
5
3
6
10
25
Each element in the periodic table has a unique _____ ______, it gives the element its identity
reactivity
Atomic number
Atomic mass
Number of neutrons
