1. Question: Hint: 2. What is the symbol for the atom that has 9 protons, 10 neutrons and 9 electrons? Chapter: 1 Lesson: 1 What information can you use to determine the identity of the atom? See this sample problem if you need help. Hint: Chapter: 1 Lesson: 1 Question: If a nucleus were the size of the eraser on the end of a pencil (diameter = 0.125 in) what is the diameter of the "atom" with a nucleus this size? (Give your answer in feet.) What is the ratio of the atom diameter to the diameter of the nucleus? (See Figure F01-1-1) See this sample problem if you need help.

Q: 1. The normal boiling point for acetone is 56.5°C. At an elevation of 5300 feet, the atmospheric…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: I want to make sure my math is correct for the first few problems and I want to know how to solve…

A:

Q: It is thought that a solid substance has an orthorhombic structure. Since the edges of the unit cell…

A: The parameters of the orthorhombic solid substance is given to be a= 3.50 Å, b= 4.0 Å and c=5.5 Å.…

Q: Choose the state of water in which the water molecules are farthest apart on average. Group of…

A: The various forms in which matter can exist are usually known as states of matter. The main states…

Q: What is the macroscopic world

A:

Q: Q1/ Complete the sentences with (much or many). 1. Have you got 2. We don't need 3. Is there 4. I…

A:

Q: 7. Cooking a wine sauce on the stove to remove the wine's alcohol is an example of which separation…

A:

Q: B. Calculate the following information. USE THE FACTOR-LABEL METHOD TO DO YOUR CALCULATIONS!!! 1. A…

A: The density of a solution is calculated by the formula: Density=MassVolume   Note: Since you have…

Q: This question is complete.... is it 1,2,3 or 4?

A: This question not complete. It should be and instead or . Now This question is complete 1,2,3 and 4

Q: 6. The question is shown in the image attached.

A: Option --C

Q: Simplify. 2 (3₁²) ² 3 (4₂²)³ Write your answer using only positive exponents. 0 X 00 S

A: -> When exponents changes their position from denominator to nominator (or) from nominator to…

Q: Can you set the answer up in way the question asks, or label the steps with numbers? I'm having a…

A: Given reaction is :  2Al (s) + 6HCl (aq) --------> 2AlCl3 (aq) + 3H2 (g)  Mass of Al = 2.93 g…

Q: u please answer

A: Matter is something that occupies space and has some mass.  Elements and compounds tells about the…

Q: d. ОН HCI HO е. NaH CI heat

A:

Q: 1. How do attractive forces between like molecules compare with attractive forces between unlike…

A: Introduction Attractive forces in chemistry refer to the forces of attraction that exist between…

Q: 3. What is parallax and why must it be avoided when measuring liquids with a graduated cylinder and…

A: Please find your solution below : Parallax is the apparent displacement or the difference in…

Q: Describe a patterns/trends in a PHYSICAL property as we move down group 1 and group 7? Group 1 Group…

A: To find: Physical property down the group 1 and group 7

Q: C Draw X and Y. CI, X + Y

A:

Q: Properly (i.e., systematically) name the following 1. PAS3

A: The name of a compound can be done by the IUPAC rule. According to which, in an inorganic compound,…

Q: Classify the substance shown in the sketch below. You can click the other tabs in the sketch to get…

A: In chemistry, compounds are classified as solid, liquid, or gas based on their physical and chemical…

Q: Memorize that 1mL=1cm3 Convert 2000mL to cm3 Use a conversion factor of 1cm3/1mL

A: If we are having,  1mL=1 cm3

Q: If given a value plot along the y axis: 1. Find given value along y axis. 2. From this point, trace…

A: To determine the length of fence for a cost of $275, we would use this given graph between length of…

Q: If these three, which are all richer projections which of the two show the same melting point and…

A: Here we have to choose two compound from following three which have same melting point and boiling…

Q: Use the exponent (EE) functionality on your calculator to do these calculations (a & c should be…

A: Significant figures of the answer will be two significant figures as the questions have .

Q: N. CI

A: The given target imine can be formed by the reaction of propylamine and tetralone. Breaking of…

Q: 1. Calculate a reflective loss when a 589 mm beam of radiation light passes through a piece of…

A: 1. Solution -

Q: Physical constants The constants for H₂O are shown here: • Specific heat of ice: Sice = 2.09 J/(g.…

A: Part A: To convert the ice at -18oC to water at 25oC, we need to supply the heat energy for the the…

Q: PC Use the diagram to answer the following question. Uranus axis of rotation not to scale Which of…

A: The Axis (or rotation) of the Uranus is tilted about 98⁰ to the perpendicular of its orbital plane.…

Q: Which of the following does not belong to the group?     Temperature   Time   Footsteps   Distance

A: Given data :  Temperature  Time  Footsteps  Distance

Q: In each of following questions, four words have been given of which three are alike in some way and…

A: As per the rules, only the first question can be answered.

Q: 1ml = 1cm3

A: Given: 1ml=1cm3    To find: 1 cm3 =?

Q: I don't know how you got the answer, can you plz do the math step by step.

A: Recall the given reaction,                    CH3CO  →  CH3  +  COActivation energy for the…

Q: se solve for questions 1-8 using th

A: Answer 1: Mass of potassium bicarbonate is obtained by subtracting the mass of evaporating dish from…

Q: Please

A: Molar mass of compound can be calculated by multiplying index to the atomic mass of element and add…

Q: HOLL ОН + ОН ОН …….

A: The question is based on the concept of organic synthesis.We need to synthesize the product using…

Q: Pure Homogeneous Heterogeneous Substance Substance Mixture Mixture Concrete Seawater Magnesium…

A: Pure substance : These are made up of only one kind of particles. Homogeneous mixture : The…

Q: Solving Problems using a scientific approach.

A: There are six important point to solve a problem via scientific approach.

Q: How do you do number 2 and 3?

A: (2) The balanced Chemical equation is - 2Al(s) + 6HNO3(aq) ----> 2Al(NO3)3(aq) + 3H2   According…

Q: How would you solve this using the math solver on bartleby?

A:

Q: A quantity of substance that can be seen would be considered the A level.

A: The complete sentence is: "A quantity of substance that can be seen would be considered the…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.