(a)
To determine: The element that consists of 30 protons.
Introduction: An atom is known as the building block of all the matter present in the universe. It is made up of three subatomic particles: protons, neutrons, and electrons. The protons are positively charged sub-atomic particles that are present with the neutrons in the nucleus.
(b)
To determine: The number of electrons present in one atom of calcium.
Introduction: Electrons are the negatively charged sub-atomic particles found revolving in orbits around the nucleus in the atom. It is an elementary particle because it cannot be broken into smaller particles.
(c)
To determine: The atomic number, average atomic mass, and letter symbol for iodine.
Introduction: The atom is made up of three subatomic particles: protons, electrons, and neutrons. The atomic number of the element is the same as that of the protons present. The atomic mass is equal to the sum of the protons and neutrons present in the atom.
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Chapter 2 Solutions
HUMAN PHYSIOLOGY: AN INTEG ACCESS C
- What is the opening indicated by the pointer? (leaf x.s.) stomate guard cell lenticel intercellular space none of thesearrow_forwardIdentify the indicated tissue? (stem x.s.) parenchyma collenchyma sclerenchyma ○ xylem ○ phloem none of thesearrow_forwardWhere did this structure originate from? (Salix branch root) epidermis cortex endodermis pericycle vascular cylinderarrow_forward
- Identify the indicated tissue. (Tilia stem x.s.) parenchyma collenchyma sclerenchyma xylem phloem none of thesearrow_forwardIdentify the indicated structure. (Cucurbita stem l.s.) pit lenticel stomate tendril none of thesearrow_forwardIdentify the specific cell? (Zebrina leaf peel) vessel element sieve element companion cell tracheid guard cell subsidiary cell none of thesearrow_forward
- What type of cells flank the opening on either side? (leaf x.s.) vessel elements sieve elements companion cells tracheids guard cells none of thesearrow_forwardWhat specific cell is indicated. (Cucurbita stem I.s.) vessel element sieve element O companion cell tracheid guard cell none of thesearrow_forwardWhat specific cell is indicated? (Aristolochia stem x.s.) vessel element sieve element ○ companion cell O O O O O tracheid O guard cell none of thesearrow_forward
- Identify the tissue. parenchyma collenchyma sclerenchyma ○ xylem O phloem O none of thesearrow_forwardPlease answer q3arrow_forwardRespond to the following in a minimum of 175 words: How might CRISPR-Cas 9 be used in research or, eventually, therapeutically in patients? What are some potential ethical issues associated with using this technology? Do the advantages of using this technology outweigh the disadvantages (or vice versa)? Explain your position.arrow_forward
- Principles Of Radiographic Imaging: An Art And A ...Health & NutritionISBN:9781337711067Author:Richard R. Carlton, Arlene M. Adler, Vesna BalacPublisher:Cengage Learning
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