Select the best answer or answers from the choices given: The mass number of an atom is (a) equal to the number of protons it contains, (b) the sum of its protons and neutrons, (c) the sum of all of its subatomic particles, (d) the average of the mass numbers of all of its isotopes.

Q: Define salt

A: Salt is a chemical compound consisting of an ionic assembly of an ionic assembly of cations and…

Q: A molecule with the chemical formula C6H12O6 is probably a

A: Carbohydrates: - they are molecules made up of carbon, hydrogen, and oxygen atoms, usually in a…

Q: An ion has 15 protons, 16 neutrons, and 18 electrons. The symbol for the ion is 31P3+. 31P3-.…

A: An atomic number of an element is identified by the number of protons present in its atoms. The…

Q: Which four chemical elements make up approximately 96% of living matter?

A: The concept of generation of life and living organisms from chemical compounds has been explained by…

Q: why lung and soft tissue appear different on a radiograph when they have both an effective atomic…

A: The radio graphic image will appear according to the effective atomic number.

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: Which element is the most abundant element by mass in human body? carbon, oxygen, iron, hydrogen, or…

A: The human body is full of different kinds of elements and nutrients that take an essential part of…

Q: Define the terms protons, neutrons, and electrons?

A: Answer- In an atom there are 3 different type of sub atomic particles called as proton, neutron and…

Q: Choose the element Calcium (Ca) from the periodic table that is found in the human body, and write…

A: In the periodic table, one of the alkaline-earth metals of group IIa is found to be calcium. This…

Q: how many atoms do we have in our body?

A: The human body contains hydrogen, oxygen, carbon, nitrogen and may other elements.

Q: How many atoms do we have?

A: There are number of factors that determine the trace of atoms in an human being ,such as…

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: number of protons to number of neutrons ratio in

A: Every element in the universe has a proton, neutron, and electron. The number of protons is similar…

Q: An isotope of sodium (Na) has a mass number of 22 and an atomic number of 11.how many neutrons does…

A:

Q: The molecule in the accompanying figure contains

A: Fatty acids are the building blocks of the fat in our bodies and within the food we tend to eat.…

Q: The atomic number of potassium (K) is 19 and the mass number is 39. How many neutrons does potassium…

A: Atomic number is defined as the number of protons in the nucleus of an atom . Mass number is defined…

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: For Be-10, find the: a.) mase defect (in grams)  b.) binding energy in kilojoules per mole. mass…

A: The difference between the assumed mass of the nucleus of the atom and the actual mass of the atom's…

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: Hydrogen will react with other atoms to get eight electrons in its outer energy level. True or false

A: hydrogen is an important atom in biology. Many of water's crucial, life-sustaining characteristics…

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: In the accompanying figure, the atomic number refers to the:

A: The given is C (carbon) The atomic number is 6 The mass number is 12

Q: What is the importance of knowing the isotopes

A: Either of two or more forms of the same chemical element is an isotope. Different isotopes of an…

Q: At room temperature, substance 1 is a gas while substance 2 is a liquid. Which of the following is…

A: A state of matter is defined as one of the distinct forms that various phases of matter take on. The…

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: How many H2O particles were produced by creating the following structure? * R H R R H-N-C,-c-…

A: Amino acids are monomers of protein they are linked with each other by forming peptide…

Q: What is the atomic number, atomic mass, and isotopes?

A: An element, a type of matter, indicates a pure substance that has unique chemical and physical…

Q: Choose an element from the periodic table that is found in the human body, and write five sentences…

A: All the living organisms are composed of mainly CHON. P and S are second most important elements.…

Q: Atomic number equals the number of 8 or Охудen Atomic mass equals the number of 15.999 8. 30 3 Li…

A: An atom refers to the smallest unit of matter. It comprises protons, neutrons, and electrons.…

Q: What will be the results if our body are lack/absence of elements?

A: There are several elements present in the body that are responsible for different purposes.

Q: A Determine how much sodium and similar elements are normally found in the human booy B. Determine…

A: Asked : Reason for element are safe for humans to consume from given options.

Q: Distinguish between each of the following pairs of terms: Neutron and proton Atomic number and mass…

A: Neutron – They are found in the nucleus of an atom.  They do not possess any charge on them they are…

Q: Decide whether the following are chemical or physical mixtures.

A: The matters are everything around the ecosystem. The matters must have some weight and it has to…

Q: Which equation represents a chemical reaction that obeys the law of conservation of matter? O…

A: Mass cannot be produced nor be destroyed, it can be converted So the reaction in which equal number…

Q: Complete the following table Symbol # protons # electrons # neutrons Atomic Mass Number Number 6°CO…

A: The atomic number is considered as the number of protons exhibit in the nucleus. These protons…

Q: The liquids butan-1-ol and butanal have similar molar masses. Which is expected to have the higher…

A: The boiling point of a substance or molecule is the temperature at which the pressure exerted by the…

Q: with the exception of chemical processes in the stomach , almost all other chemical reactions in…

A: pH is a measure of the hydrogen ion concentration which is quantitatively used to characterize…

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: Direction: Match the following isotopes by tracing a line in column A to its uses in column B. Iron…

A: Isotopes are atoms of the same element that contain an identical number of protons, but a different…

Q: What subatomic particle do all Carbon atoms, isotopes and ions have in common?

A: Atoms are the basic building blocks of all elements found on earth. Every atom is made up of a…

Q: List three of the five ways in which a nuclear reaction differs from a chemical reaction.

A: Nuclear reaction : It is semantically considered to be the process in which two nuclei, or a nucleus…

Q: Atoms are incredibly tiny, so small that most microscopes can't even see them, but atoms themselves…

A: Atom: Atom is the smallest unit of matter. It is the basic building block of matter. Atom possesses…

Q: What would be the appropriate linear unit of measure for a atom

A: The linear unit of measurement measures the objects that are placed along the straight line by the…

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: Help me, please

A: The rotation is permitted about the N-Cα and the Cα -C bonds. Rotation about bonds are described as…

Q: If a model of a hydrogen atom had a diameter of 45 cm, what would have to be the diameter of the…

A: Introduction - Hydrogen atom or its model is made up of a centrally placed nucleus or in this case…

Q: Element Atomic Number Mass Number Number of Protons Number of Neutrons Number of Electrons…

A: The periodic table consists of all the elements that are arranged on the basis of atomic number. The…