Choose an element from the periodic table that is found in the human body, and write five sentences about some of its functions in the body.

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: answer the question. The bombardier beetle is spraying a boiling hot liquid that contains irritating…

A: Introduction: Beetle is considered to be the gardener's friend and it is a fearsome predator as it…

Q: Explain how the electron configuration of an atom influences its chemical behavior and explain why…

A: Atoms consist of nucleus, which contains protons and neutrons, and electrons. These electrons are…

Q: Assume that the mixture of substances in drawing (a) undergoes a reaction. Which of the drawings…

A: The law of conservation of mass states the mass in an isolated system is neither created nor…

Q: Define and distinguish between matter, elements, and compounds.

A: Matter, element and compound, these three things form the universe.

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: The atomic number on an element tells us the number of

A: An atom is made up of three kinds of subatomic particles called protons, neutrons, and electrons,…

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: Which compound is inorganic

A: All the chemical compounds can be classified into an organic or inorganic compound. This…

Q: What does the atomic mass of an element represent?

A: Elements Element is the basic fundamental part of matter which is the basic unit of every matter…

Q: A student is studying calcium, a highly reactive element that humans need for strong bones. Which…

A: Chemical reactivity is the tendency of an element to undergo chemical reaction.

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: The atomic mass number of an atom is determined by the sum of the number of in the atom. (a) protons…

A: The total number of neutrons and protons in an atomic nucleus is called atomic mass number.

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: The formula C6H12O6 means .

A: Carbohydrates are starch, sugar, and fibers present in grains, fruits, and vegetables. These are…

Q: What are elements made of

A: Elements are atomic particles and elements are the smallest known particles except for subatomic…

Q: Which of the following is not a sterol? a. sex hormones b. vitamin D c. lecithin d. cholesterol

A: Sterol is a group which is helpful for the cell development and production of energy in human…

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: Which of the following happens in all chemical reactions (involving molecules) in all living…

A: Energy can be in any forms. Energy  has the ability to work. It can be converted into any forms.

Q: Molecules that absorb electromagnetic energy have structural components called _____________.

A: Electromagnetic radiation or energy refers to the waves of the electromagnetic field propagating…

Q: Describe the characteristics of transition metals.

A: Elements that have d orbit partially filled are known as Transition elements. These metals come…

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: Compare an element and a compound.

A: A chemical element is the substance, whose all atoms have same number of protons that means all of…

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

A: The study of chemical reactions that occurs within living organisms is called biochemistry. This…

Q: _____________ is a type of cardiac glycoside that increases the force of cardiac contraction

A: Cardiac glycosides are class of organic compounds that increase the output force of the heart and…

Q: Which elements would be more likely to make a compound with another element

A: In chemistry an element very basic part of any molecule and it is a pure substance consisting only…

Q: A ____ is a substance that is dissolved in a liquid.

A: Mixture is a material which is formed by mixing two or substances. If something is dissolved in the…

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: 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: In the periodic table, the elements are arrangedaccording to ________ .a. size c. mass numberb.…

A: A periodic table is a tabular table. It displays all the chemical elements in this table. Over time…

Q: You were given two pink minerals (quartz and calcite). Cite ways on how you could distinguish each…

A: The common minerals that are found in the rocks around the world are Quartz and calcite. These…

Q: Classify a molecule as organic or inorganic when given a molecular formula

A: The molecular formula of a compound signifies the actual number and type of atoms present in a…

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: An element is a pure substance that cannot be broken down into other substance by physical or…

A: An element is any substance which is composed of only one kind of an atom.

Q: What is iodine

A: Food is the ultimate source of nutrition for the body. It contains all the nutrients that are…

Q: name two chemical components of starch

A: Starchy foods provide a healthy energy supply and a major source in our diet. Diets with a high…

Q: Nonsilicates are a group of minerals that DO NOT contain what two elements? A. silver and gold B.…

A: Answer-B. Silicon and oxygen

Q: physical properties

A: All substances are indicated by their distinctive collection of physical and chemical properties.…

Q: Which mineral is a carbonate a compound that contains a -co3 group

A: Carbon dioxide is soluble in water. In a reversible reaction, it makes carbonic acid with water…

Q: What is the name of a representation of the physical world? Answer please A. Alloy B. Compound C.…

A: Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms.

Q: e indicated structure. e indicated structure.

A: The organism which is visible in the picture is definitely an umbrella shaped structure probably a…

Q: Choose the combination of answers that most accurately completes the statement. A chemical with…

A: chemical with sporicidal properties is phenol.

Q: Example of molecules

A:

Q: What is the purpose of subscripts in chemical formulas? So the chemist can multiply the chemical…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: what is a chemical compound

A: Chemicals are found everywhere in the universe. It also makes up biological molecules. These…

Q: In 3-5 sentences, describe all of the components of an atom.

A: An atom is comprised of: - Nucleus: - It consists of positively charged protons and neutral…

Q: A high-energy compound is a compound that contains a bond that is

A: Bonding between the atoms in a molecule may be covalent or ionic. Ionic bonds are formed due to…

Q: Substances that cannot be broken down or transformed chemically into other substances are called…

A: Everything around us is made up of matter. The matter is composed of different substances that…