relatively large compared to their size

Q: Complete the table

A: Electrochemical cells / Galavanic cells / Voltaic cells :  In these cells chemical energy is…

Q: what is used to determine an atom's weight and atomic number?

A: There are several use of atomic number and atomic weight of any atom as__ A=Z +n  Where  A is atomic…

Q: Calculate number of protons, neutrons and electrons present in isotopes of 35Chlorine and…

A: Atomic number = Number of protons Atomic mass  = number of protons + number of neutrons. Number of…

Q: Determine the mass of a sample

A: Given: The volume of the sample of chromium is 2.4 cm3.

Q: Which of the following statements below is true? O Na is smaller than Na. O Na is larger than Na. O…

A: 4

Q: What is the atomic mass unit?

A: Solution- The atomic mass), we can also defined this as mass of the single atom .

Q: complete the table

A: If organic compound contains double bond (or) triple bond (unsaturation) reacts with Br2 , this…

Q: 19. What is an ion?

A: Ions constitute the ionic compounds. Sodium chloride is an example of ionic compound which contains…

Q: Define mass number

A: Solution- Mass number - The sum of the Neutrons and protons present in the an atom is called mass…

Q: Describe the atom and its components.

A: atoms are the smallest things in the universe and could not be divided. We know that atoms are made…

Q: Activity type of Alumina (meaning of type I, II, III, etc.) what do the numbers mean?

A: Alumina is a granular and extremely porous form of aluminum oxide. It is available in basic, acidic…

Q: Discuss Neutron-to-Proton Ratio?

A: In an atom, the atomic number indicates the number of protons present in an atom of an element. The…

Q: List the physical properties of elements?

A: Physical properties of elements are : Physical state Density Boiling point Melting point Specific…

Q: What is an atom composed of?

A: an atom composed of :

Q: The correct name for VS is:

A: First the name of cation and then name of anion is given.

Q: Write FLuorine, carbon and hydrogen's chemical symbol and write down its atomic number and mass…

A:

Q: Compare the relative charge and mass of each of the subatomic particles.

A: We have to compare the relative charge and mass of each of the subatomic particles. Solution:  There…

Q: Find the atomic weight for the element silver Ag

A: Atomic weight:The average atomic mass can be calculated by multiply the fraction by the mass number…

Q: 6. What is electrical charge?

A: The definition of electric charge has to be given,

Q: Complete the table.

A: Given equation is : Also, Rate of reaction = 0.010 M/s

Q: Define the term an element?

A:

Q: What are the "A" group numbers for Aluminum, Calcium, and Cesium, respectively?

A: In chemistry, a group refers to a column of elements in periodic table. In total there are 18 groups…

Q: What is the name of the symbol H?

A: The given symbol H denotes the element Hydrogen.

Q: What are the physical properties of mercury?

A: Physical properties of mercury :  Physical properties of mercury is given by following – Mercury is…

Q: Name various radioactive elements.

A: The various names of radioactive elements are named as in step 2.

Q: Which of the following statements below is true? O Nat is smaller than Na. O Na* is larger than Na.…

A: Introduction : As per company norms we cannot answer more than one answer per session .So, I have…

Q: Explain why the atomic mass of an element is an average mass

A:

Q: Atoms with the same number of protons but with different electrical charges _____.

A: Electric Charge is two types.    Positive charge Cation and negative charge anions

Q: What charge does a proton have? *

A: Anything that has mass and occupies space is known as matter. Matter is made up of atoms. Atoms of…

Q: What is the electrical charge of water?

A: The compound given is water.

Q: Atoms differ from ions in number of

A: Atoms are neutral; they contain the same number of protons as electrons. an ion is an electrically…

Q: Define atom. List the subatomic particles, and describe their relative masses, charges, and…

A: Chemistry is the branch of science concerned with the composition, structure, properties, and…

Q: Ca is 42 Mass =

A:

Q: How many electrons would it take to equal the mass of aproton?

A:

Q: 2:58 PM, Apr 22 H3C H30+ ? Brz SCH3

A: In this question, we will Identify all the Reagent and one middle starting material which give…

Q: D. List down 5 noble gases E. List down eight transition metals F. Aside from the noble gases, list…

A:

Q: ne average atomic mass

A:

Q: alculate the mass of an X atom, n

A: Given Density = 20.55 g/cm3  edge length of unit cell = 383.9 pm To find out mass and molar mass of…

Q: Groups of elements in the periodic table have similar O physical properties O crystal formations…

A: Elements belonging to the same group have same electronic configuration.  Hence, they participate in…

Q: represent the same element?

A: we know,In atom the number of protons and electrons are equal but different neutrons is possible.so…

Q: Discuss in chronological order the different atomic model.

A: Atomic models

Q: Question attached

A: We know that the density is defined as the mass occupied by the substance per unit volume Density =…

Q: 1. Compare some common physical properties of metals and non-metals.

A: Note - Since you have asked multiple questions, we will do the first question for you. If you want…

Q:

A:

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.