What is the relationship between atoms elements molecules and compounds

Asked by admin @ 06/08/2021 in Chemistry viewed by 290 People

What is the relationship between atom, element and compounds

Answered by admin @ 06/08/2021

Atoms, elements, molecules, and compounds are all pure substances. A pure substance is made of only one type of particle. This contrasts mixtures, which are made of more than one pure substance that do not chemically combine. An atom is the smallest unit of matter.

Difference between molecule of element and molecule of compound

Asked by admin @ 13/08/2021 in Science viewed by 332 persons

What is the difference between a molecule an element and molecule of a compound

An element's atomic number is equal to its number of

Asked by admin @ 02/12/2021 in Chemistry viewed by 326 persons

The atomic number of an element is equal to the number of _____ contained in one atom of that element. protons neutrons electrons protons and neutrons The atomic number of …

Is ocean water an element compound heterogeneous mixture or solution

Asked by admin @ 26/11/2021 in Chemistry viewed by 353 persons

Classify each of the following as an element, a compound, a homogeneous mixture, or a heterogeneous mixture: (a) seawater, (b) helium gas, (c) sodium chloride (salt), (d) a bottle of …

How to find how many atoms are in an element

Asked by admin @ 29/10/2021 in Chemistry viewed by 393 persons

Which number in a chemical formula tells you how many atoms of element you have

How do you find the atomic mass of an element

Asked by admin @ 28/10/2021 in Biology viewed by 321 persons

What does the atomic mass of an element represent? A) The total number of its protons and electrons. B) The average total mass of its neutrons, protons, and electrons. C) …

Atoms of elements in the same group have the same

Asked by admin @ 09/10/2021 in Physics viewed by 373 persons

Atoms of elements in the same group have the same number of [Blank] This is why they have similar chemical properties. A.Protons B.neutrons C.Valence electrons

What is the symbol for element with atomic number 74

Asked by admin @ 07/10/2021 in Chemistry viewed by 349 persons

What is the symbol for element with atomic number 74?

Which of the following elements has the smallest atomic radius

Asked by admin @ 02/10/2021 in Chemistry viewed by 327 persons

Which of the following elements has the smallest atomic radius? (2 points) Carbon Nitrogen Oxygen Fluorine

An element with atomic number 21 is a

Asked by admin @ 31/08/2021 in Science viewed by 323 persons

An element with atomic number 21. what is the place of the element in the periodic table? why

One atom of an element x weighs 6.643

Asked by admin @ 29/08/2021 in Chemistry viewed by 290 persons

One atoms of an element x weigh 6.64310 -23 g. Number of moles in 20 kg is :

Two elements x atomic weight 75 and y

Asked by admin @ 29/08/2021 in Science viewed by 440 persons

Two elements X (Atomic mass 75) and Y (Atomic mass 16) combine to give a compound having 75.8% X. The formula of the compound is

Classify the following into element compound and mixture

Asked by admin @ 29/08/2021 in Science viewed by 354 persons

Classify the following into element, compound and mixture. (1) Sodium (2) Clay (3) Sugar solution (4) Calcium carbonate (5) Methane (6) Silver

The molecule having an atomicity of 4 is

Asked by admin @ 24/08/2021 in Biology viewed by 318 persons

The molecule having an atomicity of 4 is : a) Sulphate molecule b) Ozone molecule c) Phosphorus molecule d) Methane molecule

Classify the following into elements compounds and mixtures

Asked by admin @ 24/08/2021 in Science viewed by 433 persons

Classify the following into elements, compounds and mixtures. (a) Sodium (b) Soil (c) Sugar solution (d) Silver (e) Calcium carbonate (f) Tin (g) Silicon (h) Coal (i) Air (j) Soap …