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Chemistry: Periodic Table Flashcards | StudBud
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Chemistry: Periodic Table
Chemistry: Periodic Table
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#chemistry #periodictable
Flashcards
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Practice quiz
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Questions
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Answers
1
The reactivity of group 1 metals increases down the group because...?
Their 1e- is closer to the nucleus and so easier to lose
They only have to gain one electron
Their 1e- is further from the nucleus and so easier to lose
They only have to lose one electron
2
Which of the following is the name of a charged atom?
Allotrope
Isone
Ion
Isotope
3
Group 2 is called?
Halogens
Alkaline earth metals
Alkali metals
Noble gases
4
Which is the most reactive element?
Li
Na
K
Cs
5
Which of the following are liquid at room temperature?
Br
I
Hg
Cl
6
Period number is equal to...
# valence electrons
Total # neutrons
# energy levels
Total # electrons
7
Group 1 is called...
Alkali metals
Noble Gases
Alkaline earth metals
Halogens
8
Oxygen forms which of the following ions?
O2+
O3-
O3+
O2-
9
The majority of the elements in the periodic table are...?
Metals
Non-metals
Not elements
Metalloids
10
Fluorine forms which of the following ions?
F2-
F+
F2+
F-
11
If a substance is at a temperature that is below its melting point it is?
Solid
Gas
Liquid
12
Columns are called?
Rows
Columns
Periods
Groups
13
Group 7?
Alkali metals
Halogens
Noble gases
Alkali earth metals
14
As you move down the group the reactivity of group 7 elements ...?
Decreases
Stays the same
Increases
15
Which group are known as the noble gases?
7
2
8
1
16
If a substance is at a temperature that is above its melting point but below the boiling point:
It is a liquid
It is a solid
It is a gas
17
Group 1 elements react by...
Losing one neutron
Gaining one neutron
Losing one electron
Gaining one electron
18
Which of the following is NOT an indicator of a chemical reaction?
Heat produced
Changing from solid to liquid
Color change
Precipitate formation
19
As you move down group 1 alkali metals the reactivity...?
Increases
Decreases
Stays the same
20
Which of the following element(s) forms an ion with a 3- charge?
P
Al
N
Br
21
Group 2 metals react by ...
Gaining 2e-
Gaining 1e-
Losing 2e-
Losing 1e-
22
Which of the following is the charge of ions formed by group 2 metals?
2+
1+
2-
1-
23
The reactivity of elements in group 7 decreases down the group because...?
Easier to gain 1e- because it is further from the nucleus
Harder to gain 7e- because they're further from the nucleus
Harder to gain 1e- because it is further from the nucleus
Harder to lose 7e- because they're further from the nucleus
24
Rows are called?
Columns
Groups
Periods
Rows
25
Group number is equal to the....
# ions
# valence electrons
# energy levels
Total # electrons
