The Atomic Number and the Synthesis of New Elements

Question 1

It is a device that is used to speed up the protons to overcome the repulsion between the protons and the target atomic nuclei by using magnetic and electrical fields.

Answer 1

Particle Accelerator

Question 2

It is a one-dimensional point which contains a huge mass in an infinitely small
space

Answer 2

Singularity

Question 3

He noticed that shooting electrons at elements caused them to release x-rays at
unique frequencies

Answer 3

Moseley

Question 4

He synthesized element with atomic number 43 using a linear particle
accelerator

Answer 4

Ernest Lawrence

Question 5

This is known as the origin of light elements.

Answer 5

Primordial Nucleosynthesis

Question 6

Process that can produce elements up to #83 - Bismuth

Answer 6

. S Process

Question 7

In this process, there’s a buildup of a VERY heavy isotope, then as beta-decays occur, you march up in atomic number and produce heavy product.

Answer 7

R-Process

Question 8

In this process, there’s a buildup of a VERY heavy isotope, then as beta-decays occur, you march up in atomic number and produce heavy product.

Answer 8

R-Process

Question 9

. It was created by the bombardment of molybdenum by deuterons (heavy hydrogen, H12), by Emilio Segre and Carlo Perrier in 1937

Answer 9

Technetium

Question 10

These are elements with atomic numbers beyond 103.

Answer 10

. Super Heavy Elements

Question 11

Which of the following statements is true for a 25Mg+2 cation?

Answer 11

it has 12 protons, 10 electrons, and 13 neutrons

Question 12

.The isotope Cr–53 is produced by the beta decay of which of the following:

Answer 12

53V

Question 13

Which particle is absorbed when 58Fe 🡪 59Fe?

Answer 13

neutron

Question 14

. The isotope Ti–48 is produced by the alpha decay of which of the following:

Answer 14

52Cr

Question 15

. In the initial sequence of thorium-232 decay, an alpha particle is emitted followed by a beta particle. What is the product of these two decay steps?
232Th 🡪 α particle + β particle + ?

Answer 15

actinium-228

Question 16

Cobalt-60 decays to nickel-60. What particle is emitted?

Answer 16

electron

Question 17

Nucleosynthesis

Answer 17

was the nuclear fusion
and the formation of new nuclei actions in the early stages of the expansion the
universe

Question 18

Recombination

Answer 18

the formation of the capture of free electrons by the
cations in a plasma

Question 19

● Henry Gwyn-Jeffreys Moseley

Answer 19

was an English physicist who demonstrated
that the atomic number, the number of protons in an atom, determines most
of the properties of an element.

Question 20

In 1919, Ernest Rutherford s

Answer 20

successfully carried out a nuclear transmutation
reaction a process of transforming one element or isotope into another
element

Question 21

JDmitri Mendeleev

Answer 21

created a classification of elements based on their atomic
weight

Question 22

Henry Moseley was a researcher at Rutherford’s laboratory.

Answer 22

Henry Moseley was a researcher at Rutherford’s laboratory.

Question 23

James Chadwick

Answer 23

discovered the neutron in 1932, as a previously unknown neutral particle produced along with 12C by the nuclear reaction between 9Be and 4

Question 24

y Emilio Segre and Carlo Perrier in 1937

Answer 24

The first element to be prepared that does not occur naturally on the earth,
technetium, was created by bombardment of molybdenum by deuterons (heavy
hydrogen, H12),