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Atoms, Periodic Table & Chemical Reactions Flashcards | StudBud
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Atoms, Periodic Table & Chemical Reactions
Atoms, Periodic Table & Chemical Reactions
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#atoms #periodictable #chemicalreactions #chemistry
Flashcards
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Questions
16
Answers
1
Combustion reactions required which gas?
Carbon Dioxide.
Methane.
Nitrogen Gas.
Oxygen Gas.
2
The number of electrons that can fit into the fourth electron shells is?
32
18
8
2
3
What are the rows in the periodic table called?
Periods.
Groups.
Non-Metals.
Metals.
4
Neon, which has 10 electrons, has an electron configuration of 2, 8, 1. True or False?
True.
False.
5
Which of the proton, neutron and electron are found in the nucleus?
Neutrons & Electrons.
Protons & Neutrons.
Protons & Electrons.
Neutrons, Protons & Electrons.
6
The number of electrons that can fit into the second electron shells is?
32
2
8
18
7
Group VIII is called the...
Alkali Metals.
Alkaline Metals.
Noble Gases.
Halogens.
8
Elements in the same group have the same...
number of protons in the nucleus.
number of occupied shells.
number of neutrons in the nucleus.
number of valence electrons.
9
This reaction (H
2(s)
+ Cl
2(g)
→ 2HCl
(g)
) is balanced. True or False?
True.
False.
10
If an atom
gains
electrons, then it becomes a negative ion. True or False.
False.
True.
11
In a precipitation reaction, a solid is formed from two solutions. True or False?
True.
False.
12
Separating the metals and non-metals is a set of elements called the metalloids. True or False?
False.
True.
13
A combination reaction is the same as a decomposition reaction. True or False?
False.
True.
14
An atom has 8 protons, 8 electrons and 9 neutrons. What would be its atomic number?
9
17
25
8
15
What are the new substances formed during a chemical reaction called?
Products.
Reactants
Catalyst.
State.
16
Group VII is called the...
Alkaline Metals.
Alkali Metals.
Noble Gases.
Halogens.
