“It’s paranoid and ignorant to worry about industry or agriculture contaminating the environment with their chemical wastes. After all, this stuff is just made of the same atoms that were already present in our environment anyway.” What do you think of this statement?

Q: Solidification is the process of changing the state of the material from .. ........ powder to solid…

A: Matter is something that consumes space and has mass. All matter is made out of components,…

Q: The atomic number of an atom is determined by the number of in the atom. (a) protons (b) neutrons…

A: The fundamental building blocks of matter are known as atoms. They are composed of neutrally-charged…

Q: The most abundant elements

A: Macromolecules are the type of large and complex molecules. These are formed by the condensation of…

Q: Radiation is the emission and propagation of high speed electrons in an x-ray tube in the form of…

A: Introduction X-rays are a type of radiation called electromagnetic waves. X-ray imaging creates…

Q: An atom that has lost an electron

A: Answer: The atom that has lost an electron becomes a positively charged ion (called a cation), while…

Q: What can you conclude from the fact scientists continue to update the atomic model

A: Atomic model Atomic model is a theory which tells us about the structure and constituents of an…

Q: It’s paranoid and ignorant to worry about industry or agriculture contaminating the environment with…

A: As we all know that all substances are made up of atoms and cells but that corresponds to a specific…

Q: What does it mean to say that a substance is radioactive?

A: A substance composed two or more elements bonded together via chemical bonds is known as a compound.…

Q: Water is a mineral

A: Water is not a mineral since it lacks crystalline form and is a liquid rather than a solid.

Q: What is the difference between volatile and nonvolatile organic compounds? What function do these…

A: Volatile organic molecules are chemicals that change from solid to liquid to vapor. Nonvolatile…

Q: The fundamental unit of matter, both in living and non-living matter, is the

A: All the things in the world are divided basically into two groups, living things, and nonliving…

Q: Burning fuel for for warmth or power -- whether the fuel is wood or fossil fuels ike gasoline,…

A: Combustion:  It is an exothermic redox chemical reaction that occurs between a fuel and an oxidant .…

Q: Carbon 14 is an isotope of Carbon-12. What makes Carbon 14 an isotope?

A: Isotopes refer to the atoms of the same chemical element that possess a different number of neutrons…

Q: If you added one more proton to an atom of iron, then what element would it become?   A. Cobalt   B.…

A: Proton carries a positive electrical charge and they alone determine the nucleus charge.Hence adding…

Q: Radioactivity is a phenomenon of the spontaneous emission of: A. protons (alpha particles)…

A: Radioactivity is the physical process of spontaneous atomic nucleic transformations. Mother, or…

Q: When X-rays penetrate cells, electrons are ejected from atoms of molecules. Stable molecules can be…

A: X-rays  X rays are the high frequency electromagnetic radiation and con not be seen. The frequency…

Q: The atomic number on the periodic table tells us how many are in the atom. * O protons O neutrons O…

A: All biomolecules are made us of the basic chemical elements that why Biology and chemistry go hand…

Q: The smallest unit of any substance is the . a. atom b. molecule c. cell

A: The cell is the basic structural, and function unit of all living organisms. Cells are the smallest…

Q: a certain element consists of two stable isotopes. the first has a mass of 138 amu

A: Atoms of an element having same atomic number but different mass number are called isotopes of that…

Q: his homework question I have been having difficulty figuring out what the atomic mass is for Gi + ^2…

A: These two elements are termed isotopes of each other when they have the same number of protons,…

Q: Select the best answer or answers from the choices given: The mass number of an atom is (a) equal to…

A: The mass number of an atom is:

Q: Molecules that are found in living cells and contain the element___________ are considered organic…

A: Cell, in science, the essential membrane-bound unit that contains the central molecules of everyday…

Q: At the atomic level human bodies are worth a fraction of what they are worth at the biomolecular…

A: .Cell is the fundamental unit of life. The cell is made of cell organelles like...

Q: Sugar is composed of carbon, hydrogen, and oxygen. Sugar is an example of which of the following? an…

A: Any substance which contains two or more chemical elements and these chemical elements are…

Q: In ice, each water molecule is involved in ______ hydrogen bonds.

A: Explanation: From the water(liquid form) to ice (solid form) transition is bacause of the change in…

Q: What do you mean by ground substance?

A: The extracellular matrix is a 3-D network of extracellular molecules, such as collagen,…

Q: Why is biochemistry called the chemistry of life?

A: The question is all about the subject biochemistry that it is called as chemistry of life as our…

Q: what elements make up the molecules in the pictures

A: Nucleic acids and carbohydrates are important biomolecules in a living organism. The nucleic acids…

Q: If an atom has an atomic number of 6 and an atomic mass of 14, that means it must have _____…

A: The atomic number is the number of electrons present in an atom.  The atomic mass number is defined…

Q: A(n). is the smallest unit of an element that retains all the properties of that element. O molecule…

A: Elements are substances that cannot be further broken into particles. An element consists of types…

Q: Select the correct answer. Electrons, protons, and neutrons are three subatomic particles of an…

A: Step 1 The organization is a systematic arrangement of smaller and simpler components into larger…

Q: This is the type of chemical reaction common to life forms from bacteria to humans Select your…

A: Chemical bonds link different atoms together to form different molecules. Chemical bonds are not…

Q: Which of the following is NOT a subatomic particle? molecule neutron O proton electron

A: Subatomic particle - Any particle that is smaller than atom is called subatomic particle. Subatomic…

Q: why is water considered a vital ingredient of life?

A: Chemical formula for water is H2O. Water can exist in all the forms I.e liquid , solid and gas.…

Q: BIOMOLECULES 1. CARBOHYDRATES 2. LIPIDS 3. PROTEINS 4. NUCLEIC ACIDS CREATE A CONCEPT TO SHOW…

A: Chemicals responsible for regulating all the functions of a cell and building its structure are…

Q: What element is an essential component in organic compounds

A: Organic compounds are those compounds which were first identified in living systems. These compounds…

Q: we get energy from food to do what we need to every day. why is digesting food a chemical change?

A: Food is composed of many types of biomolecules such as carbohydrates, fats or lipids, and proteins.…

Q: the percentage of naturally occurring elements making up the human body are similar to the…

A: Out of 100 naturally occurring elements, about 25 are forund in all living organisms. Oxygen,…

Q: A mineral is a naturally occurring solid that is composed of many inorganic materials. Which of the…

A: Features of minerals Naturally occurring substance. Should not be man made Is  Composed of…

Q: A sunburn is a familiar example of the effect of ionizing radiation, like ultraviolet light, where…

A: The "flow of energy" in the ecosystem is one of the most important aspects of the survival of such a…

Q: Ammonia gas would be classified as (1) a compound (2) a mixture (3) an element (4) an atom

A: AMMONIA GAS IS CLASSIFIED AS COMPOUND.

Q: Which small organic molecule makes up carbohydrate, liquids, proteins, and nuclear acids

A: Monomers are the building blocks of the four basic macromolecules of life

Q: An Element from Group 5A and Group 6A shared a Chemical Bond. This entails that ____________ .…

A: Chemical Bond refers to the making of a chemical bond between 2 or more atoms, molecules, in order…

Q: The smallest unit of an element that still retains thedistinctive behavior of that element is an…

A: Given: Choose the correct answer: The smallest unit of an element that still retains the distinctive…

Q: Carbon is the most abundant element in living organisms * True False

A: Carbon, hydrogen, oxygen, and nitrogen are the main components. Little amounts of different…

Abiogenesis