An element forms an oxide which is acidic in nature. State whether the element is a metal or a non-metal?

Academic Chemistry NCERT Class 8

An element which forms oxide which is acidic in nature is a non-metal. This is because nonmetallic oxides react with water to form acids.

Tutorialspoint

Updated on: 10-Oct-2022

68 Views

An element forms an oxide which is basic in nature. State whether the element is a metal or a non- metal?
An element forms an oxide A2O3 which is acidic in nature. Identify A as metal or non-metal.
An element burns in air to form an oxide. The aqueous solution of this oxide turns turmeric paper red. State whether the element is a metal or nonmetal. Name one such element.
Are metal and non-metal acidic or basic in nature?
An element burns in air to form an oxide. The aqueous solution of this oxide turns blue litmus paper red. State whether the element is a metal or nonmetal. Name one such element.
A purple coloured non-metal forms a brown solution in alcohol which is applied on wounds as an antiseptic. Name the non-metal.
An element 'M' has atomic number 12.(a) Write its electronic configuration.(b) State the group to which 'M' belongs.(c) Is 'M' a metal or a non-metal?(d) Write the formula of its oxide.
Name a metal which is soft and a non-metal which is hard.
A glass rod is sonorous. Is it a metal or non-metal ?
A non-metal which is lustrous is ________.
The atomic number of an element is 16. Predicti. the number of valence electrons in its atomii. its valencyiii. its group numberiv. whether it is a metal or a non-metalv. the nature of oxide formed by itvi. the formula of its chloride
The positions of three elements A, B and C in the periodic table are shown below :(a) State whether A is a metal or non-metal.
An element X belongs to the 3rd period and group 2 of the periodic table. State:(a) number of valence electrons (b) valency (c) metal or non-metal (d) name of the element
(a)With the help of examples, describe how metal oxides differ from non-metal oxides.(b)Which of the following elements would yield: (i) an acidic oxide, (ii) a basic oxide, and (iii) a neutral oxide? Na, S, C, K, H
Identify the elements with the following property and arrange them in increasing order of their reactivity(a) An element which is a soft and reactive metal.(b) The metal which is an important constituent of limestone.(c) The metal which exists in a liquid state at room temperature.

Kickstart Your Career

Get certified by completing the course

Get Started

Advertisements