English

Correct the Following Statement: a Molecular Formula Represents an Element. - Chemistry

Advertisements
Advertisements

Question

Correct the following statement:

A molecular formula represents an element.

One Line Answer

Solution

Molecular formula represent a molecule.
shaalaa.com
  Is there an error in this question or solution?
Chapter 1: The Language of Chemistry - Exercise 1 (C) [Page 19]

APPEARS IN

Selina Concise Chemistry [English] Class 9 ICSE
Chapter 1 The Language of Chemistry
Exercise 1 (C) | Q 11.1 | Page 19

RELATED QUESTIONS

What do the following abbreviations stand for ?

  1. O
  2. 2O
  3. O2
  4. 3O2

An element X has a valency of 4 whereas  another element Y has a valency of 1. What will be the formula of the compound formed between X and Y ?


An element A forms an oxide A2O5.

What will be the formula of chloride of A ?


The formula of carbonate of a metal M is M2CO3.

What will be the formula of its nitride ?


Give the formula and valency of:
cupric  ………………… . 


Fill in the blank:

Formula of iron (ill) carbonate is _____ .


Identify the following substance:

A brown gas D with the irritating smell.


Name the element in the compound and give the formula of the following compound:

Phosphoric acid


Write the formula of the following compound:

Sodium iodide


Write the formula of the following compound:

Calcium carbonate


Write the formula of the following compound:

Magnesium chloride


Write the formula of the following compound:

Aluminium sulphate


Write the formula of the following compound:

Aluminium hydroxide


Write the formula of the following compound:

Copper [II] chloride


Write the formula of the following compound:

Iron [II] sulphate


State of the following formula of a compound is incorrect. Incorrectly write the correct formula.

KCr2O7


State of the following formula of a compound is incorrect. Incorrectly write the correct formula.

KNO3


Which of the following represents a correct chemical formula? Name it.

BiPO4


Complete the following crossword puzzle (Fig. 3.1) by using the name of the chemical elements. Use the data given in Table.

  Across   Down
2 The element used by Rutherford during his α–scattering experiment 1 A white lustrous metal used for making ornaments and which tends to get tarnished black in the presence of moist air
3 An element which forms rust on exposure to moist air 4 Both brass and bronze are alloys of the element
5 A very reactive non–metal stored under water 6 The metal which exists in the liquid state at room temperature
6 Zinc metal when treated with dilute hydrochloric acid produces a gas of this element which when tested with burning splinter produces a pop sound. 8 An element with symbol Pb


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×