A piece of sodium metal can be described as

Asked by maham237 @ 29/12/2020 in Chemistry viewed by 221 People

A piece of sodium metal can be described as
a pure substance and a compound.
an impure substance that is reactive.
an impure substance that is unreactive.
a pure substance and an element.

Answered by maham237 @ 29/12/2020

The right option is; a pure substance and an element.

A piece of sodium metal can be described as a pure substance and an element.

Sodium is a chemical element with an atomic number of 11. Sodium is a soft, waxy, silvery, highly reactive metal. Sodium belongs to group 1 of the periodic table and it is highly abundant in the earth’s crust. Sodium can also be found in various minerals such as rock salt, feldspars and sodalite.

Two pieces of metal when immersed in a liquid

Asked by admin @ 16/08/2021 in Science viewed by 283 persons

If two pieces of metal when immersed in a liquid have equal uptrust on them then:- (a)both pieces must have equal weight (b)both pieces must have equal volumes

The metallic lustre exhibited by sodium is explained by

Asked by admin @ 13/08/2021 in Chemistry viewed by 324 persons

The metallic luster exhibited by sodium is explained by Diffusion of sodium ions Oscillations of loose electrons Excitation of free proton Existence of body centered cubic lattice

Sodium metal is kept under

Asked by admin @ 10/08/2021 in Science viewed by 287 persons

Sodium metal is kept under

What happens when sodium metal is dropped in water

Asked by admin @ 10/08/2021 in Chemistry viewed by 258 persons

Question 10.25 What happens when (i) sodium metal is dropped in water ? (ii) sodium metal is heated in free supply of air ? (iii) sodium peroxide dissolves in water …

Piece of art made of metal stone clay is called

Asked by admin @ 06/08/2021 in English viewed by 301 persons

18. A work of art that is made by carving or shaping wood, stone, clay or metal is called

Which statement best describes metallic bonding

Asked by maham237 @ 13/01/2021 in Physics viewed by 276 persons

Which statement best describes metallic bonding? A.A metal atom loses electrons and a nonmetal atom gains them. B.Two nonmetal atom share electrons between them. C.Many atoms give up electrons that …

Which of the following would double the amount of current flowing through a piece of metal wire?

Asked by maham237 @ 26/12/2020 in Physics viewed by 329 persons

Sodium metal should be stored in kerosene give reason

Asked by admin @ 23/08/2021 in Science viewed by 313 persons

Give reason sodium is stored in kerosene

Why is sodium metal kept immersed in kerosene oil

Asked by admin @ 17/08/2021 in Science viewed by 369 persons

Why does sodium kept immersed in kerosene oil? (class 10 CBSE SAMPLE PAPER 2017-18 SCIENCE)

Sodium is a very reactive metal true or false

Asked by admin @ 11/08/2021 in Chemistry viewed by 387 persons

True or False? Sodium is a very reactive metal.

Write equation for the reaction of ethanol with sodium metal

Asked by admin @ 02/08/2021 in Physics viewed by 278 persons

Reaction of sodium metal with ethanol in chemical equation

Which property of sodium is not typical of a metal

Asked by admin @ 02/08/2021 in Science viewed by 359 persons

Which property of sodium is not typical of a metal?

Which statement describes the electron sea model for metallic bonding

Asked by maham237 @ 25/06/2021 in Chemistry viewed by 307 persons

-This model involves electrons held tightly between atoms. -This model explains all properties of metals. -This model involves electrons moving among bands of orbitals. -This model is the simplest model.

Of the metal ions tested, sodium produces the brightest

Asked by maham237 @ 14/01/2021 in Chemistry viewed by 328 persons

Of the metal ions tested, sodium produces the brightest and most persistent color in the flame. Do you think potassium could be detected visually in the presence of sodium by …

Which best describes a chemical property of sodium

Asked by maham237 @ 03/01/2021 in Chemistry viewed by 271 persons

Which statement describes a chemical property of sodium? (1) Sodium has a melting point of 371 K. (2) Sodium has a molar mass of 23 grams. (3) Sodium can conduct …