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Priyanka
Subject: Chemistry
, asked on 21/4/18
State
i) the bonding &state of chlorides of period 3 - group 1,group 15 and group 16
ii) the bonding &character of oxides of period 3 - group 1 ,group 13, group 16
Answer
1
Priyanka
Subject: Chemistry
, asked on 21/4/18
What are transition elements and inner transition elements.State the position of the inner transition elements .State why noble gases are considered unreactive elements
Answer
2
Priyanka
Subject: Chemistry
, asked on 21/4/18
What are groups of the modern periodic table .What does the 'group number' signify
Answer
2
Priyanka
Subject: Chemistry
, asked on 21/4/18
State reason why
A) completion of each period is logical
B) period 2 elements are called bridge elements
NO LINK PLZZ
Answer
1
Priyanka
Subject: Chemistry
, asked on 21/4/18
State the important salient features of the modern periodic table.State how separation of elements and periodicity of elements forms an important feature of the modern periodic table.
Answer
2
Priyanka
Subject: Chemistry
, asked on 21/4/18
State e fundamental property on which the modern periodic table or long form of periodic table is based
Answer
1
Omm Prasad
Subject: Chemistry
, asked on 12/4/18
Please solve the 6(b) .
Please do not provide any link.
Q.6. (b) Arrange the elements of second period in increasing order of their electron affinity. Name the elements which do not follow the trend in this period.
Answer
1
Omm Prasad
Subject: Chemistry
, asked on 11/4/18
Please answer 18 (iii) and (iv).
Please do not provide any link.
Q18. Explain why are the following statements not correct:
(iii) Non- metallic character decreases across a period with increase in atomic number.
(iv) Reactivity increases with atomic number in a group as well as in a period.
Answer
1
Omm Prasad
Subject: Chemistry
, asked on 30/3/18
Please solve the 10 th question.
Q.10. The given table shows elements with same number of electrons in its valence shell.
Elements
A
B
C
m.p.
63.0
180.0
97.0
State :
(i) Whether these elements belong to same group or period.
(ii) Arrange them in order of increasing metallic character.
Answer
1
Jayanti Goswami
Subject: Chemistry
, asked on 20/3/18
In the topic regarding the comparison between halogens and alkali metals, the content says that halogens have low ionization potential. Isn't that wrong?
Answer
2
Sristy Choudhary
Subject: Chemistry
, asked on 25/12/17
In the chapter test of Ch 1 : Modern Periodic Table (ICSE CHEMISTRY) This question's solution...as per my knowledge is marked wrong....
Q. On moving left to right across a period, the acidity of the oxides of elements .
A)
increases
B) decreases
C) remains the same
D) first increases and then decreases
Answer
1
Kum Kum
Subject: Chemistry
, asked on 15/2/23
Arrange the following in increasing atomic size:
Li,B,Al,Na,Ar,Ne
Answer
1
Vijval
Subject: Chemistry
, asked on 3/7/22
Which of the following orders is correct for atomic size?
a) Ne > F
b) Mg > Na
c) Na > K
d) O > N
Answer
1
Zeba Chowdhury
Subject: Chemistry
, asked on 25/6/22
Pls solve the following:
Answer
2
Kushi
Subject: Chemistry
, asked on 29/5/22
Tell me about about metallic and non metallic periodic trends.
Answer
2
1
2
3
4
5
Next
What are you looking for?
i) the bonding &state of chlorides of period 3 - group 1,group 15 and group 16
ii) the bonding &character of oxides of period 3 - group 1 ,group 13, group 16
A) completion of each period is logical
B) period 2 elements are called bridge elements
NO LINK PLZZ
Please do not provide any link.
Q.6. (b) Arrange the elements of second period in increasing order of their electron affinity. Name the elements which do not follow the trend in this period.
Please do not provide any link.
Q18. Explain why are the following statements not correct:
(iii) Non- metallic character decreases across a period with increase in atomic number.
(iv) Reactivity increases with atomic number in a group as well as in a period.
Q.10. The given table shows elements with same number of electrons in its valence shell.
State :
(i) Whether these elements belong to same group or period.
(ii) Arrange them in order of increasing metallic character.
Q. On moving left to right across a period, the acidity of the oxides of elements .
A) increases
B) decreases
C) remains the same
D) first increases and then decreases
Li,B,Al,Na,Ar,Ne
Which of the following orders is correct for atomic size?
a) Ne > F
b) Mg > Na
c) Na > K
d) O > N