GROUP PERIOD ELEMENT SYMBOL 2 2     14 4     1 6     12 4     17 5     B.   ELEMENT SYMBOL GROUP PERIOD BORON       IRON       ALUMINUM       RADON       OXYGEN

Q: Write

A: Since you have asked a question with  multiple sub-parts, we will solve  first three sub-parts for…

Q: In this station, you will find a 100 mL graduated cylinder that contains about 35 mL of water. How…

A:

Q: chemical formula.

A:

Q: AB CD CB Mg2+Cl₁- Li¹+02- MgCl2 Li₂O AD LI¹+Cl¹- LICI ANSWER: LICI + MgO Mg2+O²- MgO A (1st cation)…

A:

Q: 2. The model represents a(n) A. Compound B. Mixture C. Element D. Electrons

A: An electron in a negatively charged species which are present in atoms, and  are responsible for…

Q: Which of the following is an ionic compound? Group of answer choices A. CH2O B. SCl2 C. KI D. none…

A: Since you have posted a question which contains multiple question so I have solved first one for…

Q: sodium and nitrogen Express your answers as ions and chemical formula separated by a commas

A:

Q: which metals do not make multiple charges?

A:

Q: A compound consists of elements combined in a fixed ratio. True or False

A: An element is a pure chemical substance made of same type of atoms.  The compounds are made up of…

Q: Solve word problems involving calculations that apply the Law of Definite Composition and Law  of…

A: Law of multiple of proportion and law of defined composition are valid on chemical compound

Q: Each shape represents a type of particle (such as an atom or molecule). Classify each image as a…

A: The substance which is made up of only one matter is known as pure substances.

Q: In the following images, the white spheres represent hydrogen atoms and the red spheres represent…

A:

Q: Element Compound Molecule Density Precision Accuracy

A: In this question, we have to tell that what is the importance of the terms of chemistry given to us…

Q: At first, it seemed like the poisoned Russian agent might have ingested thallium in the form of…

A: the minimum amount of thallium to kill an average adult= 8*102 mg concentration= 0.45m conc = no of…

Q: Nitrogen 1s 2s 2p 3s a. Chlorine 1s 2s 2p 3s Зр b. Sodium_ 1s 2s 2p 3s Зр c. Neon 36 3n

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: Questions 1) Which of the properties are chemical and which are physical? 2) Consider the graphs you…

A: The grouping of the given elements on the basis of similar properties to have a periodic table…

Q: Which answer choice best describes a heterogeneous mixture? • Mixtures which have a non-uniform…

A: Since you have posted multiple subparts in a question so we are answering first 3 subparts of your…

Q: nem AH project Ap 09 to 113 O pols Add-ons Help Last edit was 2 minutes ago BIUA 川。| =|= ▼ A. Arial…

A: Element - an element is pure substance consisting same atoms. Covalent compound - compounds formed…

Q: In the following images, the white spheres represent hydrogen atoms and the red spheres represent…

A: An element contains only one form of the atoms. A compound is formed by combining two or more types…

Q: Solve this

A: Given- % abundance of 63Cu =  69.15 % % abundance of 65Cu =  30.85 % Atomic mass of  63Cu = 62.9300…

Q: Chamestry

A: Dear student we are allowed to address only one question in one go. Please do post the second…

Q: Choose all that apply. O NH,CI(s) → NH3(g) + HCl(g) 2NO(g) + 2H2(g) N2(g) + 2H,O(1) 2C0(g) + 02(g)…

A: Entropy is a measure of disorder or randomness in a system. It is denoted by S.

Q: Label as ionic compound or not ionic CO Naci PF3 FeCl2 Cus К20 NO2 CBr4 MGF2 > > > > > >

A: List of ionic and non ionic compounds are given below

Q: The human body is primarily composed of which element?

A: The human body mainly composed of six elements named as oxygen (65%), carbon (18.5%), hydrogen…

Q: 40 - Which of the following matches is given incorrectly? A) Iron (III) chloride: Fe3Cl B) Zn (OH)…

A:

Q: A: Read each statement below carefully. Place a T on the line if you think a statement is TRUE.…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Am I right? Sample 1 2 3 Calculations for sample 1 Mass of aluminum dish   1.24g 1.26g…

A: Percentage of water  = mass of watermass of anhydrate  x 100

Q: gold(I) oxide Express your answer as a chemical formula.

A: The gold(I) oxide is also known as gold oxide. Which have molecular formula of Au2O. This is because…

Q: Hi, I am doing a practice test and need to check my answers. All of this is for Chem 101   Please…

A: 1) A compound forms whenever two or more atoms  form chemical bonds with each other. The chemical…

Q: Matching:   1- Fluorine gas  2- Magnesium ribbon  3- Sulfur powder  4- Carbon monoxide  5-…

A: Diatomic molecules are molecules composed of only two atoms, of the same or different chemical…

Q: Which of the following statements is/are correct about the figures below? Select all that apply.…

A: Statement 1 is incorrect because oxygen is diatomic molecule but in the figure monoatomic molecules…

Q: Below are some objectives. Check if each objective possesses the SMART characteristics. If not,…

A: In the given questions some objectives are given. 1. Position of an element in periodic table gives…

Q: Fill in the missing information: element name element symbol Са F zinc bromine Cr

A: The element oxygen is represented by O.

Q: How do the molecules of a compound differ from the moleculesof an element?

A: Molecules are group of atoms where the atoms are held together by a chemical bond. They can result…

Q: Part F The compound iron chloride can exist with either iron(II) ions or iron(IIl) ions. Conduct…

A:

Q: Name/Period: Koja Keley Type of Compound (Ionic or Molecular) Conversion Worksheet the following…

A: Given incomplete table is :  Complete the table ?

Q: DIFFERENTIATE COMPOUND, ATOMS, ELEMENTS AND MOLECULES. GIVE EXAMPLES FOR EACH. (essay 10 sentences).

A: Compound, atoms, elements and molecules are basic terms used in chemistry. These are the building…

Q: calculations

A: Here we are calculating  mass by using molecular mass

Q: Empirical Formula Lab video Data Set #6 (tech ID ending with "6") empty crucible crucible and Mg…

A: The aim of the present experiment is to determine the empirical formula of the compound obtained…

Q: Write a complete chemical formula, including physical state symbol, for each element listed below in…

A: Elements are symbolically represented in different states as a result of their 'physical…

Q: Part A:  Pairs of ions are attracted to each other to build an ionic ________ Your answer   Part B:…

A: Ionic compound is formed by attraction of appositely charged ion.

Q: Research and provide the densities of the metals observed in this demo. Be sure to include units.

A: The densities of the metals are as follows

Q: On a mission to a newly discovered planet, an astronaut finds gallium abundances of 60.11 % for 69…

A: Average atomic mass =((percentage of abundance isotope 1 x molecular mass of of isotope 1…

Q: CO 5 hway Hydrate Exp x lab 10 empirical formu X C Lab 11 - Atomic Finger X G periodic table-Google…

A:

Q: An imaginary atom has only 2 isotopes and an average atomic mass of 74.48 u. If Isotope 1 has a mass…

A: Given: Average atomic mass of element = 74.48 u. Mass of isotope 1 = 73.95 u. And the mass of…

Q: On a mission to a newly discovered planet, an astronaut finds gallium abundances of 60.11 % for 6 Ga…

A: Atomic Mass = M1X1 + M2X2x1 + x2M1 =mass of first isotope, X1 = %of first isotopeM2 =mass of second…