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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
27 cards
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Questions
27
Answers
1
As you move down group 1 alkali metals the reactivity...?
Decreases
Increases
Stays the same
2
Columns are called?
Columns
Groups
Periods
Rows
3
The reactivity of elements in group 7 decreases down the group because...?
Harder to lose 7e- because they're further from the nucleus
Harder to gain 1e- because it is further from the nucleus
Easier to gain 1e- because it is further from the nucleus
Harder to gain 7e- because they're further from the nucleus
4
Group number is equal to the....
# valence electrons
# ions
Total # electrons
# energy levels
5
If a substance is at a temperature that is below its melting point it is?
Solid
Gas
Liquid
6
Fluorine forms which of the following ions?
F2+
F2-
F-
F+
7
Group 1 is called...
Halogens
Alkaline earth metals
Alkali metals
Noble Gases
8
Period number is equal to...
# energy levels
Total # electrons
# valence electrons
Total # neutrons
9
Group 2 metals react by ...
Losing 1e-
Losing 2e-
Gaining 1e-
Gaining 2e-
10
If a substance is at a temperature that is above its melting point but below the boiling point:
It is a solid
It is a liquid
It is a gas
11
Rows are called?
Columns
Rows
Groups
Periods
12
Which of the following is NOT a property of metals?
Solid at room temperature
Ductile
Conducts heat and electricity
Malleable
13
Which of the following element(s) forms an ion with a 3- charge?
Br
Al
P
N
14
Group 1 elements react by...
Losing one electron
Gaining one electron
Losing one neutron
Gaining one neutron
15
Group 7?
Alkali earth metals
Alkali metals
Halogens
Noble gases
16
As you move down the group the reactivity of group 7 elements ...?
Increases
Stays the same
Decreases
17
Which group are known as the noble gases?
1
8
2
7
18
The majority of the elements in the periodic table are...?
Not elements
Metalloids
Non-metals
Metals
19
Which of the following is NOT an indicator of a chemical reaction?
Precipitate formation
Heat produced
Changing from solid to liquid
Color change
20
Oxygen forms which of the following ions?
O2+
O3+
O2-
O3-
21
Which is the most reactive element?
Cs
Na
K
Li
22
Which of the following is the name of a charged atom?
Isone
Isotope
Allotrope
Ion
23
Which of the following is the charge of ions formed by group 2 metals?
2-
1-
2+
1+
24
Group 2 is called?
Halogens
Alkaline earth metals
Noble gases
Alkali metals
25
Which of the following are metalloids?
Ge
P
Si
Al
26
Which of the following are liquid at room temperature?
Br
Cl
I
Hg
27
The reactivity of group 1 metals increases down the group because...?
Their 1e- is further from the nucleus and so easier to lose
Their 1e- is closer to the nucleus and so easier to lose
They only have to gain one electron
They only have to lose one electron
