Advertisements
Advertisements
Question
Elements X, Y, and Z have atomic numbers 6, 9 and 12 respectively. Which one :
State type of bond between Y and Z and give its molecular formula.
Solution
Ionic bond with molecular formula ZY2.
APPEARS IN
RELATED QUESTIONS
Five atoms are labelled from A to E.
| Atoms | Mass No. | Atomic No. |
| A | 40 | 20 |
| B | 19 | 9 |
| C | 7 | 3 |
| D | 16 | 8 |
| E | 14 | 7 |
(a) Which one of these atoms:
(i) contains 7 protons,
(ii) has an electronic configuration 2, 7?
(b) Write down the formula of the compound formed between C and D.
(c) predict which are: (i) metals, (ii) non-metals?
Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)
Sodium chloride is ______ compound while hydrogen chloride is ______ compound.
What type of bond is formed between two atoms, when the electronegative difference between them is low ?
Choose the correct option
Which of the following is the correct electronic configuration of potassium?
How do atoms attain Noble gas electronic configuration?
______ is the only noble gas that does not have eight electrons in its valence shell.
Choose the odd one out and write the reason:
How many atoms of each kind are present in the following molecule:
Chlorine
How many atoms of each kind are present in the following molecule:
carbon tetrachloride
Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is chemically inert.
