if 10 magnesium atoms and 10 chlorine atoms were allowed to bump into each other, could they combine to form a substance? How many molecules made? Would there be any atoms left over? Which ones? How many?

Q: Which four elements occur in virtually all biological molecules?

A: The biological molecules are comprised of carbohydrates, fats, proteins, and nucleic acids. All…

Q: Which element is usually found in proteins but not in triglycerides?             C O N H

A: Proteins are the polymers of amino acids that are linked by a peptide bond. Proteins are majorly…

Q: How are mass number and atomic number derived? What is the atomic mass or weight?

A: Mass number is the total number of protons and neutrons in an atomic nucleus. Atomic number is the…

Q: The mass number for an isotope is 14. This isotope could be: a carbon atom with 8 neutrons an oxygen…

A: Mass number of an atom is the sum of the number of protons and neutrons in the nucleus of the atom.…

Q: Are the atoms and basic molecules that compose living things different from the molecules that make…

A: Atom is considered the smallest unit of all matters, which includes solid-liquid and gases. On a…

Q: An atomic nucleus can be described by the analogy “like a marble in the Dallas Cowboys Stadium.” If…

A: Atoms are made up of particles called protons, neutrons, and electrons which are responsible for…

Q: If you are told you have an element with an atomic number of 16 and its in group VIA. What does this…

A: In modern periodic table sulphur has atomic number 16 and it is a group VIA element.

Q: Which of the following items are pure elements—that is, made up of only one type of atom? Check all…

A: Our Earth is a planet that has abundant minerals. These minerals were formed as a result of the…

Q: Which of the following is a representation of a covalently bonded molecule that shows the relative…

A: Structural formula is generally used to describe the molecular structure of a chemical compound…

Q: If you took a sample of a particular element and found that one group had a specific number of…

A: 1. The atomic number of an element is the number of protons in the nucleus of an atom of the element…

Q: For 42He*2 The atomic number is f and there are are protons. The mass number is and there are…

A: The atomic number means number of proton in the nucleus while mass number is total number of proton…

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: Look up antimony in the periodic table 1Z = 512. How many covalent bonds would you expect it to…

A: Antimony is a chemical element with symbol Sb and atomic number 51. It is lustrous grey metalloid…

Q: ohydrate? is it hydrogen, oxygen and carbon?

A: Biomolecules can be defined as organic molecule that includes majorly carbohydrates, protein,…

Q: With the exception of He, elements with two valence electrons will be considered: O Metals…

A: A valence electron is an electron that is associated with an atom, and that can participate in the…

Q: What is the basic units of matter and the defining structure of elements? a. Cell b. Atom c.…

A: Matter- It is any substance that takes up space, has volume and  has mass. It  exists in various…

Q: The most abundant form of carbon has an atomic number of 6 and a mass of 12. A small amount of…

A: Atom is the smallest unit of matter that can be divided into three namely, electrons (the negatively…

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: Which elements in each pair is more metallic? Silicon or aluminum

A: Introduction: A pure substance that can't be separated by compound methods, comprising of molecules…

Q: What does the atomic number tell us about an atom

A: The atomic number which is denoted by Z of a chemical element uniquely identifies the chemical…

Q: Which of the following levels in the shell model of an atom can hold up to two electrons?   A. The…

A: The model of the shell is partially similar to the model of the atomic shell that defines the…

Q: Which element is the world's lightest metal and increasingly a vital component of batteries used in…

A: Metals are solid opaque  elements that has good conductivity of heat and electricity. Lightness of…

Q: What element does not react with other elements? Group of answer choices A. hydrogen B. helium C.…

A: Noble gases These are group 18 elements of the periodic table. They are usually chemically inert.…

Q: What is the smallest unit of an element that retains the properties of that element

A: An element is a pure product in chemistry that can not be broken down by chemical means, consisting…

Q: what is the parent shape of the molecule called

A: Electron groups around the central atom will be stable when they are as far apart as possible and we…

Q: Atoms of the same element that differ only in the number of neutrons are known as

A: Always the number of protons is same in atoms of the same element. Number of neutrons may vary for…

Q: If 10 magnesium atoms and 10 chlorine atoms were allowed to bump into each other, could they combine…

A: Magnesium and Chlorine combine to form salt magnesium chloride, MgCl2, where one magnesium cation…

Q: If we removed a neutron from an atom, what would happen to the atom? Group of answer choices: a) its…

A: Atoms are the smallest unit of any matter in the universe. The electron revolves around the atoms 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: How many molecules of water were formed from the complex of the given structure? Give ONLY the…

A:

Q: A sodium atom has 11 protons and 12 neutrons. What is the atomic number of sodium? Multiple Choice…

A: Atomic number is the proton number of a chemical element. It is represented by "Z".

Q: Chlorine is an element with the symbol Cl. Draw and label atomic structure of chlorine indicating…

A: ATOMIC STRUCTURE  The Atoms consist of three basic particles: Protons Electrons Neutrons The…

Q: Malnourishment results when there is

A: Malnutrition refers to obtaining deficient or an excessive amount of of sure nutrients. It will…

Q: If you add an electron to fluorine, what will result? A) a negatively charged anion O B) a different…

A: Anion: negatively charged ion. Cation: positively charged ion.

Q: Magnesium has an atomic number of 12 and an atomic mass of 24. Which of the following statements is…

A: Magnesium is a chemical element with the symbol Mg and atomic number 12.

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: Oxygen has 8 protons, 8 neutrons, and 8 electrons. What is its atomic mass?(a) 8 (b) 16 (c) 24 (d)…

A: In the atmosphere, different elements, atoms, molecules are present like nitrogen, hydrogen, carbon,…

Q: Which of the following plays the greatest role in chemical bonding number of protons in the valence…

A: chemical bonding is the interaction between two or more ions or atoms or molecules.  When the two…

Q: if 10 magnesium atoms and 10 chlorine atoms were allowed to bump into each other, could they…

A: Magnesium has electronic configuration- 12- 2,8,2 Chlorine has electronic configuration- 17- 2,8,7…

Q: What if there are a different number of Neutrons? Sometimes elements have a different number of…

A: Isotope is a variant form of an element which has the same number of protons but a differing number…

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: 44.All atoms of a given element have the same ________. Group of answer choices a.mass number…

A: An element is a basic material in the formation of all the living, nonliving, and chemical matter…

Q: What is formed when an atom loses or gains an electron? O a. ion O b. bond O C. molecule O d. a new…

A: Molecules of every substances are made up of small particles. These are called atoms. Bohr's model…

Q: Iodine has 37 known isotopes.  Therefore, the atomic mass has a range of 108-144 amu. Which of the…

A: Iodine is a trace element that is naturally present in some foods, added to others, and available as…

Q: Define the atomic mass of an atom. What are two things that make up an atom?

A: Atom is the smallest unit of the element. Every element has its unique atom with varying atomic…

Q: Which of the following neutral atoms contains six (6) Valence electrons Nitrogen, atomic number 7…

A: valance electrons  are the nuber of electrons present on the outtermost orbital .  these electrons…

Q: The triple point of an element is at 75 torr and 125°C. This means that liquid is more dense than…

A: Various biochemical and physiological processes occurs in the cells resulting in various activities…

Q: Which element is a metal? A. C B. Rn C. CI D. Cr

A: The classification of chemicals into different groups and understanding their properties individual…