Chemistry
The most reactive non-metal is:
- Iodine
- Oxygen
- Fluorine
- Chlorine
Periodic Table
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Answer
Fluorine
Reason — As reactivity of halogens group decreases as we move downwards, hence fluorine is the most reactive non-metal. Reactivity of fluorine is more than oxygen as it has a stronger tendency to take electrons and complete its octet.
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Related Questions
The element with atomic number 16 is placed in the modern periodic table in:
- 2nd period and VI A group
- 3rd period and IV A group
- 3rd period and VI A group
- 2nd period and IV A group
The strongest reducing agents are the elements of group:
- Six
- Seven
- One
- Two
Look at the periodic table given below and answer the following questions.
Groups I II III IV V VI VII VIII Oxide:
Hydride:R2O
RHRO
RH2R2O3
RH2RO2
RH4R2O5
RH3RO3
RH2R2O7
RHRO4
Periods
↓A B A B A B A B A B A B A B Transition
Series1 H
1.0082 Li
6.939Be
9.012B
10.81C
12.011N
14.007O
15.999F
18.9983 Na
22.99Mg
24.31Al
29.98Si
28.09P
30.974S
32.06Cl
35.453(I) This table was given by:
- Newland
- Döbereiner
- Mendeleev
- Moseley
(II) According to this periodic table, the formula of the oxide of nitrogen is:
- N2O3
- NO
- N2O5
- N2O7
(III) The defect(s) of this periodic table is/are:
P — Anomalous pairs
Q — Separation of chemically similar elements.
R — Grouping of chemically dissimilar elements.
- Only P
- Both Q and R
- Both P and Q
- P, Q and R
Which of the following groups of modern periodic table has elements in all the three states i.e., solid, liquid, gas?
P — Group 18
Q — Group 17
R — Group 16
- Only P
- Only Q
- Only R
- Both Q and R