Provide the atomic symbol for each of the following elements: (a) calcium, (b) carbon, (c) hydrogen, (d) iron, (e) nitrogen, (f) oxygen, (g) potassium, (h) sodium.

Q: Is Au the symbol for gold?

A: Aurum is tge latin word for gold.

Q: Is oxygen a homogeneous or heterogeneous mixture?

A: homogeneous mixture: it contains only one elemental form of pure substance. heterogeneous mixture:…

Q: If the mass # is 85 and the # of neutrons is 47, what is the atomic symbol and the # of protons ?

A: All matter is made up of atoms, and all atoms are made up of three main particles: protons,…

Q: What is the name of the element that is in group 1A and period 1? What is the name of the element…

A:

Q: Is it possible to distinguish between an element and a compound? Explain.

A: Metallurgy is the branch of chemistry that deals with the separation of elements from the compounds…

Q: Silver spoon is an example of  Element? Compound? Homogeneous mixture? Hetergeneous mixture?

A:

Q: What is the difference between atoms, molecules and compounds?

A: Atoms are the fundamental units of molecules and compounds. It consists of a positively charged…

Q: For the following isotope, selenium -77, indicate the number of protons, neurons, and electrons.

A:

Q: The following is an example of a physical change: O formation of rust O production of energy by…

A: Physical change: In a physical change only the state of matter changes. In this change different…

Q: Measuring the mass and volume of a piece of chalk is a way of investigating its _____. A.Chemical…

A: 1. We need to check if mass and volume are intensive or extensive properties and if they relate to…

Q: Uranium-235 is used in nuclear fission. Determine the number of protons and the number of neutrons…

A: Atomic symbol of element gives information about the chemical symbol, atomic number and mass number…

Q: Give the names of the elements represented by thechemical symbols Li, F, P, Cu, As, Zn, Cl, Pt, Mg,…

A: To find: The name of the given elements represented by the chemical symbol

Q: Describe the Atomic Theory of Matter?

A: The atomic theory of Matter has to be described.

Q: Write the symbol for one atom of zinc, magnesium, iron, and copper

A: Symbol for one atom of zinc is - Zn Symbol for one atom of magnesium is - Mg

Q: Part A 1s 25 2p 3s Express your answer as a chemical symbol.

A: The electronic configuration depicts the arrangement of electrons in a molecule. The no. of…

Q: What is the periodic table, and what is its significance inthe study of chemistry?

A: The periodic table is the arrangement of 118 elements according to their atomic number that knows as…

Q: According to the Greek philosopher Aristotle in 350 B.C., what five basic elements composed…

A: According to Aristotle, the Greek philosopher the five different basic elements that composed…

Q: Identify as an element, compound or mixture of compounds

A: Element: Element is a chemical substance which has a single atom and it cannot be broken down in…

Q: Explain the difference between an element and a compound?

A: Elements refer to pure substances that are composed of only 1 type of atom. Compounds refer to…

Q: 1.16 Give the chemical symbol or name for each of the followingelements, as appropriate: (a) carbon,…

A: Chemical symbol is the short notation given for an element.

Q: Which of the following is a compound? milk aluminum foil silver salt

A: Compound demonstrates the bonded atoms of two or more elements .

Q: Based on the following word descriptions, write the formula for each of the indicated substances.a.…

A: A formula of any compound which represents number of the all types of atoms of that compounds…

Q: Define the Laws of Definite and Multiple Proportion?

A: Law of multiple proportions states “If two elements can combine to form more than one compound, the…

Q: A student calculated that the average neutralizing power of their antacid was 102 grams of acid…

A:

Q: Give the chemical symbol or name for each of the followingelements, as appropriate: (a) carbon, (b)…

A: Chemical symbol is the short notation given for an element.

Q: Does fluorine, sulfur, and phosphorus represent elements in a group, a period, or neither?

A: We have to explain if fluorine, sulfur and phosphorus represent elements in a group, a period, or…

Q: Musical instruments like trumpets and trombones are madefrom an alloy called brass. Brass is…

A: Homogeneous mixtures are those mixtures in which composition is uniform throughout the mixture.…

Q: On March 20, 1997, FDA published a final rule on electronic records and signatures, which FDA will…

A: According to 21 CFR part 11,it states that electronic records and electronic signature are treated…

Q: Table salt (NaCl) isa. an atom. c. a molecule. e. a cation.b. organic. d. a compound.

A: Table salt is a compound.

Q: Which of the following substances can be separated into simpler substances only by chemical means?…

A: Given options out of  which can be separated into simpler substances are   a. gold b. water c.…

Q: Distinguish between elements and compounds.

A: Elements can be described as the simplest form of the pure substance which can not be broken down…

Q: 1s²2s 2p*3s' Express your answer as a chemical symbol.

A: Part A Excited electronic configuration is 1s2 2s2 2p4 3s1 1 electron from 2p transferred into 3s…

Q: True or false is an atom is the smallest building block of matter

A: False

Q: What is the Law of Definite Composition?

A: The law of definite composition states that any chemical compound will always contain a fixed ratio…

Q: Which is considered an elemental substance? A.CO (carbon monoxide) B.H2O (water) C.I2 (iodine) D.A…

A: Given,CO (carbon monoxide)H2O (water)I2 (iodine)A and C are elemental substances.All of the above…

Q: Which among the following is a compound? salt crystals O charcoal O sulfur powder O iron filings

A:

Q: Distinguish between the terms in each of the following pairs, using specific examples.. (b)…

A: Distinguish between the physical and chemical properties Physical change-A change in which no new…

Q: Malachite is an are of:(a) Iron(b) Copper (c) Mercury(d) Zinc

A: The solid material that occurs naturally on the earth and contains minerals or metals which are…

Q: How is the chemical symbol of an element determined? Explain in 200 words.

A: Given : Elements  To find : Chemical symbols Solution : Elements are those Compounds which cannot be…

Q: Why do we use Roman numerals in chemistry?

A:

Q: What is the law of definite composition? And what are some examples of matters that obey this law?

A: The law of definite composition states that any chemical compound will always contain a fixed ratio…

Q: Atoms are the building blocks of all matter. Where do the many diverse and unique properties of…

A: Interpretation: We have to tell from where properties of matter come from.

Q: Musical instruments like trumpets and trombones are madefrom an alloy called brass. Brass is…

A: Alloys are the mixture of different metals or non-metals in a fixed ratio. Brass is an alloy that is…

Q: Chemistry : is the science concerned with composition ,structure and properties of matter as well as…

A: According to the definition of Chemistry , this question can be explained as follows