Advertisements
Advertisements
प्रश्न
Study the extract of the Periodic Table given below and answer the questions that follow. Give the alphabet corresponding to the element in question. DO NOT repeat an element.
Which element forms electrovalent compound with G?
उत्तर
Electrovalent compound formed with ‘G’ is with ‘A’.
APPEARS IN
संबंधित प्रश्न
Name the elements with highest and lowest electronegativity ?
In terms of electronic configuration, what the elements of a given period and groups have in common?
Fill in the blank
Reactivity ______ down the gruop for alkali metals with increase in electropositive character
Explain
K is more reactive than Li.
Arrange the following as per instruction given in the bracket.
Cs, Na, Li, K, Rb (decreasing electronegativity)
Rewrite the following sentence by using the correct > (greater than) or < (less than) in the blank given :
The electronegativity of iodine is ________ that of chlorine.
Arrange the following as per the instruction given in the bracket
F,Cl,Br (Increasing electronegativity)
Answer the following question using the data given below:
- Assertion: The nature of bond in HF molecule is ionic
- Reason: The electronegativity difference between H and F is 1.9.
State the term for the following:
The tendency of an atom to pull a shared pair of electrons towards itself in a compound.
In the table below, H does not represent hydrogen. Some elements are given in their own symbol and position in the periodic table while others are shown with a letter.
IA | IIA | IIIA | IVA | VA | VIA | VIIA | O |
1 | 2 | 13 | 14 | 15 | 16 | 17 | 18 |
Li | D | O | J | Ne | |||
A | Mg | E | Si | H | K | ||
A | C | F | G | L |
Select from the table.
- Which is most electronegative.
- How many valence electrons are present in G.
- Write the formula of the compound between B and H.
- In the compound between F and J what type of bond will be formed.
- Draw the electron dot structure for the compound formed between C and K.