Sign Up

Sign In

Forgot Password

Lost your password? Please enter your email address. You will receive a link and will create a new password via email.

You must login to ask question.

Sorry, you do not have a permission to add a post.

Please briefly explain why you feel this question should be reported.

Please briefly explain why you feel this answer should be reported.

Can you see a molecule?

Can you see a molecule? This, believe it or not, is a microscope. It can help us see very small particles like molecules by feeling the particle with the tip of its needle. These very powerful microscopes are called atomic force microscopes, because they can see things by feeling the forces between atoms. …

What is called molecule?

molecule, a group of two or more atoms that form the smallest identifiable unit into which a pure substance can be divided and still retain the composition and chemical properties of that substance.

What is the largest molecule?

Meet PG5, the largest stable synthetic molecule ever made.

What is the largest molecule in the human body?

These vary in size from simple pairs of atoms, like an oxygen molecule, to complex organic structures. But the biggest molecule in nature resides in your body. It is chromosome 1. A normal human cell has 23 pairs of chromosomes in its nucleus, each a single, very long, molecule of DNA.

What is the smallest molecule?

The smallest molecule is diatomic hydrogen (H2), with a bond length of 0.74 angstroms. Macromolecules are large molecules composed of smaller subunits; this term from biochemistry refers to nucleic acids, proteins, carbohydrates, and lipids.

What are the 4 types of atoms?

Different Kinds of Atoms

  • Description. Atoms are made of tiny particles called protons, neutrons and electrons. …
  • Stable. Most atoms are stable. …
  • Isotopes. Every atom is a chemical element, like hydrogen, iron or chlorine. …
  • Radioactive. Some atoms have too many neutrons in the nucleus, which makes them unstable. …
  • Ions. …
  • Antimatter.

How many molecules are in the human body?

The body consists of about 2×10^25 molecules. That’s a 2 with 25 zeros. More than 99 % of them are water!

What is the largest natural molecule?

Astronomers have found a large and very special type of molecule in space. It’s C60, a molecule made of 60 carbon atoms. It’s also called a buckyball or “fullerene” for Buckminster Fuller – this molecule resembles Bucky Fuller’s geodesic domes.

Which is the longest chemical formula?

(C18H24N2O6), a miticide and contact fungicide used to control powdery mildew in crops. The IUPAC name for Titin. This is the largest known protein and so has the longest chemical name. Written in full, it contains 189,819 letters.

Who designed human body?

« Unintelligent design. » That is how Cornell evolutionary biologist Paul Sherman refers to the architecture of the human body. If an « intelligent designer » engineered the human body, he points out, air and food would not travel through the same pipes, making us vulnerable to choking.

What’s the smallest thing in the world?

Protons and neutrons can be further broken down: they’re both made up of things called “quarks.” As far as we can tell, quarks can’t be broken down into smaller components, making them the smallest things we know of.

What’s smaller than an atom?

Quarks. Quarks represent the smallest known subatomic particles. These building blocks of matter are considered the new elementary particles, replacing protons, neutrons and electrons as the fundamental particles of the universe. There are six types, called flavors of quarks: up, down, charm, strange, top and bottom.

Is a germ smaller than an atom?

AMM124: A germ is smaller than an atom (AAAS Project 2061, n.d.). … Atoms form molecules that range in size from two to thousands of atoms.

What is the life of an atom?

Atoms are forever! … Atoms are made of a central core containing a collection of protons and neutrons. Almost all of the mass (the proper word for « weight ») of the atom is contained in the nucleus. Surrounding the nucleus is a cloud of electrons whose number equals that of the number of protons.

How do atoms behave?

Electrons are attracted to any positive charge by their electric force; in an atom, electric forces bind the electrons to the nucleus. … In some respects, the electrons in an atom behave like particles orbiting the nucleus. In others, the electrons behave like waves frozen in position around the nucleus.

What are humans made up of?

The human body is approximately 99% comprised of just six elements: Oxygen, hydrogen, nitrogen, carbon, calcium, and phosphorus. Another five elements make up about 0.85% of the remaining mass: sulfur, potassium, sodium, chlorine, and magnesium. All of these 11 elements are essential elements.

Are humans made of stardust?

Stars that go supernova are responsible for creating many of the elements of the periodic table, including those that make up the human body. ‘It is totally 100% true: nearly all the elements in the human body were made in a star and many have come through several supernovas. …

Which molecule has the largest dipole moment?

For example, NaCl has the highest dipole moment because it has an ionic bond (i.e. highest charge separation). In the Chloromethane molecule (CH3Cl), chlorine is more electronegative than carbon, thus attracting the electrons in the C—Cl bond toward itself (Figure 1).

Is Diamond a molecule?

A diamond is one giant molecule of carbon atoms. Diamonds are colourless and transparent . They sparkle and reflect light, which is why they are described as lustrous .

What molecule has the most atoms in it?

Helium has the most number of mol out of all the options and will thus have the highest number of atoms.

What word takes 3 hours to say?

That’s called: Hippopotomonstrosesquippedaliophobia and it’s one of the longest words in the dictionary.

What is titin full name?

So what’s the word? Wikipedia’s says that it’s « Methionylthreonylthreonylglutaminylarginyl … isoleucine » (ellipses necessary), which is the « chemical name of titin, the largest known protein. » Also, there’s some dispute about whether this is really a word.

Which is the largest formula?

The chemical formula for the protein is C169723H270464N45688O52243S912. If you’ve taken Organic Chemistry, then you know you are in for a real treat in pronouncing the IUPAC name. It is 189,819 letters long, which could make it the longest word in the English language.

Is there gold in human body?

Average human body has 0.2 milligrams of Gold.

Human body has Gold! A human body is composed of many elements. One of the lesser know elements is actually Gold. An average person’s body weighing 70 kilograms would contain a total mass of 0.2 milligrams of gold.



Leave a comment