Why are group 0 elements unreactive?

have a fully filled valence shell. Stable configuration

Halogen colors change from ______ down the group

pale yellow>yellowgreen >reddish brown > purpleblack >black

What is produced when aqueous chlorine is added to sodium bromide?

aqueous bromine and sodium chloride

Halogens are reactive non-metals because they

have 7 valence electrons and will readily accept 1 electron

Group VII elements have similar chemical properties because

they have the same number of valence electrons

Halogen physical states change from _______ down the group

gas > gas > liquid >solid > solid

What is produced when fluorine gas is bubbled into potassium iodide?

aqueous iodine and potassium fluoride

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14 - Periodic Table (group 7,0)

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Flashcards20 cardsFPractice quizPHost liveL

Questions 20

Answers

1
Why are group 0 elements unreactive?
they are already stable and unable to gain / lose electrons
have a fully filled valence shell. Stable configuration
they are unreactive
too few shells. Insufficient energy to form compounds
2
Halogen colors change from ______ down the group
black> purpleblack >reddishbrown >yellowgreen>pale yeallow
yellowgreen> paleyellow>reddish brown > purpleblack >black
reddishbrown> paleyellow>yellowgreeen > purpleblack >black
pale yellow>yellowgreen >reddish brown > purpleblack >black
3
What is produced when aqueous chlorine is added to sodium bromide?
sodium chloride and chlorine gas
no reaction is seen
aqueous bromine and sodium chloride
aqueous sodium and chlorine bromine
4
Group 7 elements are commonly known as
alkali metals
halogens
noble gases
alkali earth metals
5
Group VII elements include
F Cl Br I At
F Cl Br Li At
F Mg Br I At
Ca Cl Br I At
6
Which of the following is NOT a property of group 0 elements?
low MP and BP
colourless gases at room temperature
highly reactive
monoatomic
7
Group VII elements have ____ electrons in their outermost shell. They tend to __________
5 , lose 3 electrons
1 , lose 1 electron
7 , lose 7 electrons
7 , gain 1 electron
8
What kind of reactions do halogens commonly undergo?
combustion
reduction
displacement
neutralization
9
The physical states of fluorine and iodine are
liquid, gas
gas , solid
gas , liquid
liquid, solid
10
Halogens are reactive non-metals because they
have a tendency to react with metals
easily donate one electron to achieve noble gas structure
they have a large mass and density
have 7 valence electrons and will readily accept 1 electron
11
Group VII elements have similar chemical properties because
they are non-metals
they are in group VII
they have the same number of valence electrons
they donate electrons
12
As you go down the group, reactivity of group VII elements __________________
decreases
increase and decrease
increases
neither decreases nor increases
13
Which is the most highly reactive Group VII element?
bromine
fluorine
chlorine
iodine
14
Halogen physical states change from _______ down the group
gas > liquid > liquid >solid > solid
liquid > liquid> solid > gas > gas
gas > gas > liquid >solid > solid
gas > liquid > solid >gas > gas
15
What is produced when fluorine gas is bubbled into potassium iodide?
aqueous iodine and potassium fluoride
aqueous iodine and fluorine potassium
fluorine and potassium iodide
no reaction is seen
16
Fluorine is _____ Bromine is ______
pale yellow , green
pale yellow, reddish brown
green, reddish brown
black , pale yellow
17
Group 0 elements are also known as
metalloids
noble gases
alkali earth metals
alkali metals
18
What is produced when iodine solution is mixed with potassium chloride?
aqueous iodine and potassium fluoride
no reaction is seen
aqueous iodine and chlorine potassium
chlorine and potassium iodide
19
Which of the following are group 0 elements?
He Ne Ar Kr Xe Rn
He K Ar Kr Ca Rn
He Ne Ar Kr N Rn
He Ne Br Kr Xe Rn
20
Group VII elements have a tendency to form ______ molecules via _____________________
diatomic, donating and accepting electrons
monoatomic , donating and accepting electrons
diatomic, sharing electrons
monoatomic , sharing electrons

14 - Periodic Table (group 7,0) Flashcards | StudBud

14 - Periodic Table (group 7,0)

20 termsStudBud Administration76 plays

14 - Periodic Table (group 7,0)

Flashcards20 cardsFPractice quizPHost liveL

Questions 20

Answers

1
Why are group 0 elements unreactive?
they are already stable and unable to gain / lose electrons
have a fully filled valence shell. Stable configuration
they are unreactive
too few shells. Insufficient energy to form compounds
2
Halogen colors change from ______ down the group
black> purpleblack >reddishbrown >yellowgreen>pale yeallow
yellowgreen> paleyellow>reddish brown > purpleblack >black
reddishbrown> paleyellow>yellowgreeen > purpleblack >black
pale yellow>yellowgreen >reddish brown > purpleblack >black
3
What is produced when aqueous chlorine is added to sodium bromide?
sodium chloride and chlorine gas
no reaction is seen
aqueous bromine and sodium chloride
aqueous sodium and chlorine bromine
4
Group 7 elements are commonly known as
alkali metals
halogens
noble gases
alkali earth metals
5
Group VII elements include
F Cl Br I At
F Cl Br Li At
F Mg Br I At
Ca Cl Br I At
6
Which of the following is NOT a property of group 0 elements?
low MP and BP
colourless gases at room temperature
highly reactive
monoatomic
7
Group VII elements have ____ electrons in their outermost shell. They tend to __________
5 , lose 3 electrons
1 , lose 1 electron
7 , lose 7 electrons
7 , gain 1 electron
8
What kind of reactions do halogens commonly undergo?
combustion
reduction
displacement
neutralization
9
The physical states of fluorine and iodine are
liquid, gas
gas , solid
gas , liquid
liquid, solid
10
Halogens are reactive non-metals because they
have a tendency to react with metals
easily donate one electron to achieve noble gas structure
they have a large mass and density
have 7 valence electrons and will readily accept 1 electron
11
Group VII elements have similar chemical properties because
they are non-metals
they are in group VII
they have the same number of valence electrons
they donate electrons
12
As you go down the group, reactivity of group VII elements __________________
decreases
increase and decrease
increases
neither decreases nor increases
13
Which is the most highly reactive Group VII element?
bromine
fluorine
chlorine
iodine
14
Halogen physical states change from _______ down the group
gas > liquid > liquid >solid > solid
liquid > liquid> solid > gas > gas
gas > gas > liquid >solid > solid
gas > liquid > solid >gas > gas
15
What is produced when fluorine gas is bubbled into potassium iodide?
aqueous iodine and potassium fluoride
aqueous iodine and fluorine potassium
fluorine and potassium iodide
no reaction is seen
16
Fluorine is _____ Bromine is ______
pale yellow , green
pale yellow, reddish brown
green, reddish brown
black , pale yellow
17
Group 0 elements are also known as
metalloids
noble gases
alkali earth metals
alkali metals
18
What is produced when iodine solution is mixed with potassium chloride?
aqueous iodine and potassium fluoride
no reaction is seen
aqueous iodine and chlorine potassium
chlorine and potassium iodide
19
Which of the following are group 0 elements?
He Ne Ar Kr Xe Rn
He K Ar Kr Ca Rn
He Ne Ar Kr N Rn
He Ne Br Kr Xe Rn
20
Group VII elements have a tendency to form ______ molecules via _____________________
diatomic, donating and accepting electrons
monoatomic , donating and accepting electrons
diatomic, sharing electrons
monoatomic , sharing electrons