The atomic number on an element tells us the number of

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: which of the sub-atomic particles is commonly represented by this symbol:"e-"?

A: An ATOM is the smallest unit of ordinary matter that forms a chemical element. Every solid, liquid,…

Q: How many electrons are in the outer shell of each of the following atoms?

A: Since, the question is incomplete, not provided with complete options, so here giving the…

Q: Distinguish between activity of metal and activity of nonmetal

A: Scientists classify elements based on their properties. Based on the chemical and physical…

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

A:

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: Chiral compounds, have identical chemical properties but differing in certain physical and…

A: Chiral compounds contain atleast asymmetric carbon it means chiral carbon is attached with four…

Q: The electron shells in an atom of silicon (atomic symbol Si) each

A:

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: A lithium atom has 3 protons and 4 neutrons. What is itsmass number?

A: The atomic mass number represents the total number of protons and neutrons present in the atom,…

Q: Elements have varying numbers of protons, neutrons, and electrons.True or false?

A: Atom is the smallest particle of an element that is composed of subatomic particles such as,…

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 atomic mass of an element can be used to determine A) the chemical properties of the element…

A: Atoms consist of three basic particles: protons, electrons, and neutrons. The nucleus (center) of…

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: Arrange in order of increasing atomic size. (a) the period 2 elements Li, C, and F (b) the group…

A: According to the question, we have to arrange the following period or group elements in order of…

Q: The mass number of an atom depends primarily on the number of protons and neutrons. positrons.…

A: An atom is the smallest unit of any matter. It has three subatomic particles; neutrons, protons, and…

Q: Relate atomic structure to the periodic table of the elements

A: Atom is smallest unit of matter which forms element Atomic structure can be defined as structure of…

Q: Explain the boiling point of a compound ?

A: The melting point is the temperature when a solid substance is starting to convert into liquid. The…

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: 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: 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: Chemical Formula Elements and Number of Atoms Model 1. H, 2. 0, CH, 5. NaOH 3. 4.

A: The Atom is the smallest unit of a matter that form an element. The atom contains electrons and…

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: is the bond length of HF, which exhibits a rotational spectrum

A:

Q: 11H and 13H have (a) different chemical properties because they have different atomic numbers (b)…

A: The chemical properties of an element are not defined by the number of protons. Protons are…

Q: What are Atoms are composed of?

A: Atoms are the fundamental building units of ordinary matter. Atoms may combine to form molecules…

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: The name given to the atomic particle found outside the nucleus of an atom isa. proton.b. neutron.c.…

A: The smallest particle of matter is called an atom. It is the very basic structural unit of any…

Q: Where within an atom are the three types of subatomic particles located?

A: Atom is composed of tiny subatomic particles called protons, neutrons, and electrons.

Q: What is the atomic number of an atom that has 6 protons, 6 neutrons, and 6 electrons?

A: An atom is the smallest unit of any matter. This means that all gases, solids, liquids, and plasmas…

Q: Elements are.. O A pure substance When there is more than one atom O Made of two or more substances

A: The matter is made up of chemical substances that occupy space and it consists of a particular mass.…

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: 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: 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: The elements H, N, O, P, and S are commonly bonded to carbon in organic compounds. Arrange these…

A: Organic compounds : Organic compounds are generally any chemical compounds in which one or more…

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 makes Isotopes of an element different from one another?

A: Isotopes have variation in number of neutrons they posses but number of protons and electrons remain…

Q: Atomic Structure W Label the parts of an atom on the diagram below.

A: An atom is the basic unit of matter.

Q: twice as many oxygen atoms as carbon atoms

A: Any substance which consists of more than one part is known as a compound. It has a fixed…

Q: Element Characteristics Easy to bend and shape • Good conductor of heat • Good conductor of…

A: The metals are substances that has high conductivity and high electricity.

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: A nitrogen atom has 7 protons, and the most commonisotope of nitrogen has 7 neutrons. A radioactive…

A: Isotopes are the atoms of same element having same atomic number but different mass numbers. For…

Q: what is a chemical compound

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