Advertisements
Advertisements
Question
The following table shows the electronic configuration of the elements W, X, Y, Z:
|
Element |
W |
X |
Y |
Z |
|
Electronic |
2,8,1 |
2,8,7 |
2,5 |
1 |
Answer the following questions based on the table above:
What is the formula of the compound formed between X and Z.
Advertisements
Solution
XZ is the formula of the compound formed between X and Z.
APPEARS IN
RELATED QUESTIONS
Fill in the blanks.
The electrovalent bond or ionic bond is called as _____ bond
How many atoms of each kind are present in the following molecule:
Calcium oxide
State the following is a reduction reaction or oxidation reaction.
\[\ce{A^3+ + e- -> A^2+}\]
Why do they exist as monoatoms in molecules?
State the type of bonding in the following molecules.
Water,
State the type of bonding in the following molecules.
Hydrogen chloride
Identify the following reaction as either oxidation or reduction:
Fe3+ + e- → Fe2+
Five atoms are labelled V to Z
| Atoms | Mass Number | Atomic Number |
| V | 40 | 20 |
| W | 19 | 9 |
| X | 7 | 3 |
| Y | 16 | 8 |
| Z | 14 | 7 |
- Which one of these atoms
(1) contains 7 protons;
(2) has an electronic configuration 2, 7? - Write down the formula of the compound formed by atoms X and Y.
How do atoms attain Noble gas electronic configuration?
An atom X with atomic number 20 combines with atom Y with atomic number 8. Draw the dot structure for the formation of the molecule XY.
