. Give the chemical symbols of elements (1 each, although some may have more than 1 correct answer) that match the following criteria: a. period 4; Group VIA ___ b. Halogen; liquid at room temperature  ____ c. Group VA; conducts electricity  ____ d. gas at room temperature; group number is the same as the period ____ e. highly unlikely to react; nuclear charge less than 9  ____

Q: 92. Write the symbol for each isotope in the form X. (a) U-235 (b) V-52 (c) Р-32 (d) Xe-144

A: Since we only answer up to 3 sub parts, we'll answer the first three. Please resubmit the question…

Q: a. Fr-218 decays by alpha decay. What are the atomic symbol and mass number of the product? Product:…

A: Write decay product of the given question---

Q: For two isotopes Unk-45 and Unk-47 with relative abundance’s of 12.3% and 87.7%, respectively, which…

A:

Q: Complete the following chart, in order from left to right Mass Number Protons Neutrons Electrons Ion…

A: Correct option is B.

Q: tor the elumantal 198 Re 75 Symbol There are protons and neutrons

A:

Q: A 25g sample of an element had 2.895x 10^23 atoms. Identify it

A: Given: mass of element = 25g number of atoms = 2.895 x 1023 To determine: The identification of the…

Q: Calculate the atomic weight of silver, which has two isotopes with the following properties:…

A: Atomic weight: It is the weight that is determined by taking the summation of the atomic mass of all…

Q: What are 3 isotopes of H and how are they different?

A: Naturally occurring hydrogen is known to exist in three isotopic forms which are protium (1H1)…

Q: Besides number of neutrons, what else do isotopes of the same element have that is different?

A: Isotopes are the variation of chemical elements that have the same number of protons but a different…

Q: What do all isotopes of an element have in common? How do they differ? Provide an example to explain…

A: Each element of the periodic table has an atomic number and mass number. The atomic number is…

Q: For the Isotope 8538SrA. What is the atomic number?B. What is the mass number?C. What is the number…

A: a) for 8538Sr  Atomic number = 38  as atomic number is always written in lower left of the element…

Q: There are two naturally occurring isotopes of silver that exist in approximately equal proportions.…

A:

Q: Interpret an image of a mass spectrum. % Intensity 1007 90- 80- 70- 60- 50- 40- 30- 20- 10- A 0-…

A: Mass spectrometry is an analytical technique which is used for the analysis of mass/charge (m/e)…

Q: 256 116 But- The isotope above has type your answer. protons, type your answer. neutrons and type…

A:

Q: A. Explain what experimental evidence supports the following statements: Atoms are destructible.…

A: 1. Atoms are destructible. Atoms are the fundamental building blocks of matter.According to Dalton…

Q: 13. Which pair represents isotopes? a. He and »He b. seFe and sa:Mn c. Si and suP 14. Which pair…

A: Identify isotopes pair among them --

Q: To the right is a representation of 50 atoms of a fictitious element called westmontium (Wt). The…

A: No. of atoms of each isotope are as follows: Wt-296 (red) 36 Wt-297 (blue) 2 Wt-298 (green)…

Q: 7.) Identify the following elements: a. period 5 alkali metal. 5 halogen. b. period 4 halogen. C.…

A:

Q: a. How many protons are in the nucleus of the isotopeRn-220?b. How many neutrons are in the nucleus…

A: a) The number of protons in the nucleus of Rn-220 has to be given, The number of protons is equal to…

Q: 13. Consider the table below. What is the relative abundance of isotope A? Isotope Abundance A 65 B…

A: Abundance of A (Abd A) = 65 Abundance of B (AbdB) = 115 Abundance of C (AbdC) = 20 Total Abundance…

Q: Question 12 Which characteristics correctly describe a neutron? A approximate mass 1 amu; charge +1;…

A: Characteristics of a neutron :

Q: Click "atomic mass" on the balance. This reading reports the mass of the particle in atomic mass…

A: C-12 has mass of  12 amu C-13 has mass of 13 amu

Q: Two elements in the same group on the periodic table of the elements are most similar in their…

A: This question is related to periodic table. Periodic table is the arrangement of elements in rows…

Q: Gold has one stable isotope, whichis gold-197, with an atomic mass of 196.97amu. A 14k (14-karat)…

A: Given:   Mass of 14k gold =  5.00-g  Gold percentage  = 58.3%  Other metals        = 41.7% To find:…

Q: Identify for an atom of 9Be: element name: _____________ Z, atomic number = ____         A, mass…

A: Give the answer for 9Be atom= ?

Q: Select the two isotopes of nitrogen-15. carbon-13 15N 0-15 F²- 14N Ophosphorus-15 N-16 0+ 150…

A: Isotopes have same atomic number and different mass number.

Q: Arrange the isotopes of sulfur and phosphorus in order of decreasing the number of neutrons.

A:

Q: li 7. Rewrite the isotopes above with the alternate abbreviation, record your answers in the answer…

A: We can use alternative symbol for isotopes as follows: Atom symbol- mass number For eg O-16  and…

Q: How can isotopes be used to identify the general region of a person’s place of residence?

A: Every organic and inorganic contains certain stable isotopes in different abundance. Isotope…

Q: Atomic o Mass Number of Name uon lo Symbol Number Neutrons W. Number 8. 2raon ls. 1sd: bozogorq 10 6…

A: Atomic number of an atom is equal to the number of protons present in it. It is written in 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.