English

Write the Names of the Elements Present in the :- Acetic Acid

Advertisements
Advertisements

Question

Write the names of the elements present in the:-

Acetic acid

One Line Answer
Advertisements

Solution

Acetic acid : Carbon, hydrogen, oxygen.

shaalaa.com
  Is there an error in this question or solution?
Chapter 4: Atoms, Molecules and Radicals - Exercise

APPEARS IN

Selina Concise Chemistry [English] Class 7 ICSE
Chapter 4 Atoms, Molecules and Radicals
Exercise | Q 2.6

RELATED QUESTIONS

The average atomic mass of a sample of an element X is 16.2 u. What are the percentages of isotopes `""_8^16X" and """_8^18X` in the sample?


Tick the most appropriate answer.

Who discovered that radioactive rays are given out by uranium?

  1. Henri Becquerel
  2. Marie Curie
  3. Pierre Curie
  4. Schmidt

TRUE \ FALSE

Elements having a tendency to accept electrons are called metals

 


Write the names of the elements present in the :- 

Sulphuric acid


Write the names of `"Na"_3"PO"_4` compounds :


Write electronic configuration of oxygen, fluorine, sodium, silicon, argon.


Who originated the word ‘atom’ ?


State Dalton’s atomic theory.


Name the particle or particles you would expect to find in :

The orbit of an atom


Name the unit in which the radius of an atom is usually expressed.


What is an atom ? How do atoms usually exist ?


An atom of element E contains 3 protons, 3 electrons and 4 neutrons :
(a) What is its atomic number?
(b) What is its mass number?
(c) Write the electronic configuration of the element E.
(d) State whether element E is a metal or non-metal. Why?
(e) What type of ion, cation or anion, will be formed by an atom of element E? Why
(f) Write the symbol of the ion formed by an atom of element E.
(g) What could element X be?


Match the pairs.

Group 'A' Group 'B'
a. Proton i. Negatively charged
b. Electron ii. Neutral
c. Neutron iii. Positively charged

Deduce from the datum provided.

Datum To deduce
\[\ce{_11^23Na}\] Neutron number
\[\ce{_6^14C}\] Mass number
\[\ce{_17^37 Cl}\]  Proton number

The basic unit of matter is ______.


Define the following term with an example.

Compound


Atomic models have been improved over the years. Arrange the following atomic models in the order of their chronological order

  1. Rutherford’s atomic model
  2. Thomson’s atomic model
  3. Bohr’s atomic model

The smallest unit of an element is ______.


The ______ are combination of atoms of various elements or the same element.


A small block slides down on a smooth inclined plane, starting from rest at time t = 0. Let Sn be the distance travelled by the block in the interval t = n – 1 to t = n. Then, the ratio `S_n/(S_(n + 1))` is ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×