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Atoms,Periodic Table, Chemical Reactions, Counting atoms Flashcards | StudBud
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Atoms,Periodic Table, Chemical Reactions, Counting atoms
Atoms,Periodic Table, Chemical Reactions, Counting atoms
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1
What is the total atoms of this chemical formula? 4CO
8
4
12
2
2
What is the most important Subatomic particle to identify the element?
Electron
Proton
Neuron
Valence Electron
3
Which element has the same similar property to Mg (magnesium)?
LIthium (Li)
Boron (B)
Calcium (Ca)
Sodium (Na)
4
What is the Product of this equation?
Vinegar
Mustard
Ketchup
Salt
5
Law of Conservation of Mass says that everything can be created and destroyed.
FALSE
TRUE
6
Chlorine element has a subscript of 2, A subscript describes what....
Molecules
Atoms
7
What is the mass of the Subatomic particle found on the outside of the Nucleus?
Half of 1
1
HUGE
Almost 0
8
Which group is considered the most reactive metals?
17
2
18
1
9
Which of the following makes up about 75% of the Periodic Table and is found in the left side?
Metalloids
Metals
Group
Nonmetals
10
What makes up the majority of mass in the atom?
Electrons
Protons and Neutrons
Protons and Electrons
Electrons and Neutrons
11
What is the total atoms found in this chemical formula?
4
1
5
2
12
What subatomic particle is found in the the nucleus and has no charge?
Electron
Proton
Neuron
Neutron
13
What is the atomic mass to this Element?
9
12
10
19
14
Which of the following in not a physical change?
Chopped Onions
Oxidation (rust)
Molded Clay
Papers that is cut
15
In the equation: Which Chemical formula will be considered an element?
ZK
FC
Cl
NaCl
16
Why is group 18 called a non reactive group?
Energy levels filled
Electrons needed
Halogens
1 Valence Electron
17
Which substance is found in the reactants section?
Oxygen
CO2
Carbon Dioxide
Water
18
How many Hydrogen's are found in this chemical formula?
6
8
1
2
19
How many valence electrons does this element have?
2
1
6
4
20
What is the name of this element?
Neon
Nitrogen
Carbon
Boron
21
Using the Periodic Table: Where can you find the energy level of an element?
Atomic Number
Group
Period
Atomic Mass
22
Which of the following is not a good conductor of heat and electricity?
Sulfur
Iron
Lithium
Copper
