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RSB [31]
3 years ago
5

How do the number of protons neutrons and the mass number relate to each other?

Biology
2 answers:
jek_recluse [69]3 years ago
5 0
Mass number = protons + neutrons

If you have the # of protons and the mass #, subtract the number of protons from the mass number to get the number of neutrons.

If you have the number of neutrons and the mass number, subtract the number of neutrons from the mass number to get the number of protons.
nexus9112 [7]3 years ago
5 0
<h3>Mass number:</h3>

The element's mass number is nothing but the sum of total number of neutrons and protons present in the element's nucleus. For example, if the mass number of nitrogen is 14, it means that there are 7 number of protons and 7 number of neutrons in the nucleus of the nitrogen.

The relationship between the number of proton and the neutron with that of mass number is that, the latter gives the count of the former. On contrary, the atomic number denotes the weight of the atom.

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Radioactivity was discovered around what year?
RideAnS [48]
Radioactivity was discovered in 1896
6 0
2 years ago
Correctly match the following: - fibrous joint between radius and ulna - fibrous joint that unites bones of the skull - articula
topjm [15]

Answer:

- fibrous joint between radius and ulna: C. syndesmosis

- fibrous joint that unites bones of the skull: H. suture

- articulation between teeth and bone: J. gomphosis

- joint with a cavity between bones: E. synovial

- the epiphyseal plate: F. synchondrosis

- articulation between two pubic bones: A. symphysis

- permits opposition and reposition:  B. saddle  

- fibrocartilagenous fluid filled sacs outside the joint cavity: G. meniscus

- most common degenerative joint disease: D. osteoarthritis    

- movement of the sole laterally:  I. eversion  

Explanation:

The syndesmosis can be defined as a fibrous joint held together by ligaments. Sutures are fibrous joints of tissue that link the cranial bones of the skull. A gomphosis is a mobile fibrous that binds the teeth into sockets in the mandible and maxilla. Synovial joints are joints found between bones that move against each other (e.g., shoulder bones). They (synovial joints) are the most common class of joints found in the body. A symphysis is a cartilaginous, slightly movable, joint between two bones. A saddle is a synovial joint whose opposing surfaces are concave and convex, respectively. Osteoarthritis is the most common type of arthritis, this condition occurs when the protective cartilage surrounding the bones wears away over time. Finally, eversion refers to a type of movement of the foot which occurs in the auctioneering joint.

8 0
3 years ago
Que Afirmo La Tercera Ley De Newton<br>​
Anna11 [10]

Answer: si un objeto A ejerce una fuerza sobre un objeto B, entonces el objeto B debe ejercer una fuerza de igual magnitud en dirección opuesta sobre el objeto A.

Explanation:

4 0
3 years ago
Distinguishing the Domains of Life
vitfil [10]

Answer:

1) Organisms in this domain can be unicellular or multicellular - Eukarya

2) Organisms in this domain are unicellular and are often found in extreme environments - Archaea

3) Organisms in this domain have cells that contain a nucleus - Eukarya

Explanation:

All living organisms were classified into a large group consisting of three types of organisms called DOMAIN. It is the highest taxonomic rank of organisms. The three domains that life was classified into are: Archaea, Bacteria and Eukarya.

The domain Archaea contains organisms that are unicellular and prokaryotic i.e. they do not have a membrane-bound nucleus. The organisms in this domain are characterized by their ability to survive in harsh environmental conditions e.g hot temperatures etc

The domain Bacteria also consists of unicellular and prokaryotic organisms. They contain cell walls in their cells made up of peptidoglycan unlike domain Archaea and Eukarya.

The domain Eukarya consists of organisms that are both unicellular and multicellular and strictly eukaryotic i.e. possess a membrane bound nucleus that houses their genetic material. They are divided into Kingdoms: Protista, Plantae, Animalia and Fungi.

4 0
3 years ago
Read 2 more answers
4. A grouping based on the ability of members to
agasfer [191]

Answer: it is species!

Explanation: species is a GROUP of individual organisims that inter breed with others!

5 0
3 years ago
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