Answer:
The atomic number is 79 and the atomic mass is 197.
Explanation:
The atomic number (symbol Z) of a chemical element is the number of protons within its nucleus.
Gold (chemical symbol Au) is a chemical element with 79 protons in its nucleus, therefore with atomic number 79.
The atomic mass is the average mass of the atoms of an element (in atomic mass unit). The atomic mass is the weighted average of all the isotopes of a a particular element. For each isotope the atomic mass is approximately the mass of both protons and neutrons since electrons make minor contributions.
The atomic mass of Gold (Au) is 196.9665 but, it can be rounded to 197.
Answer:
2: an agent that causes a mutation in DNA.
Hope this helps
The correct answer is D. Abduction
Explanation:
In medicine, the movement of limbs or bones is classified into different types including abduction, adduction, extension, and circumduction. In this way, adduction occurs when the bone or limb moves towards the middle line of the body or center of it while abduction occurs if the movement makes the bone or limb be away from the center of the body. On the other hand, extension occurs when a movement makes the angle of body parts wider and circumduction occurs when the movement is circular. Considering this, the type of movement in which a bone moves away from the midline of the body is the abduction.
What is the type of sunflower, and how fast does it use photosythesis?
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