Ph is how hydroge - Study guides, Class notes & Summaries

1. All of the food that we eat, liquids that we drink and medications that we take are A. chemical s. B. vitamin s. C. protein s. D. nucleic acids. E. carbohydrat es. 2. Understanding is essential for understanding anatomy and physiology because body structures and functions result from chemical changes. 3. Chemistry is the branch of science that deals with the composition of matter. True False 4. Which of the following substances is not an element? A. Iro n B. Oxyge n C....

The smallest unit of an element that still retains the chemical and physical properties of that element is called A. an isotope. B. a nucleus. C. an atom. D. a molecular bond. E. a neutrino. 2. In an atom, the number of protons always equals the number A. of electrons. B. of neutrons. C. of neutron and protons. D. of quarks. E. of neutrinos. 3. Examine the section of the periodic table in Figure 2.1. Which element will behave similarly to C? A. C a B. S C. A r D. S ...

Science that deals with matter, it's properties and how matter changes is: - Answer- Chemistry What is matter - Answer- Anything that occupies space What is the simplest form of matter? - Answer- Element Atom is the smallest particle of an element that is capable of showing: - Answer- Property Two and more Atoms joined together form - Answer- Molecules Matter has three physical forms: - Answer- Solids liquid and gases When a matter changes from one form to another (like from s...

Cosmetology State Board Mock Exam Question and Answers [100% Correct] 2024/2025 Latest Release What is the primary benefit of using a conditioner after a chemical service? **Ans** To restore moisture and strengthen the hair shaft, reducing damage and breakage. What does the term "effleurage" refer to in a massage? **Ans** A light, gentle stroking or circular movement used to relax muscles and improve circulation. Why is it important to perform a scalp analysis before a ch...

Acid Base Balance is characterized by - Hydrogen atoms too many means more acidic too little means less acidic pH is - how hydrogen concentration is measured lower pH means higher acidity, higher pH means lower acidity What are the main 3 ways the body controls pH? - -Hydrogen atoms ("buffy buffer"/chemical buffer/metabolic buffer) -Respiratory system (carbonic acid) -Renal system (bicarbonate) Gastric Juice pH - 1.0 - 3.0 Urine pH - 5.0-6.0 Arterial blood pH - 7.35-7.45 Ve...

Testbank For Foundations in Microbiology 8th Edition by Talar 1. Anything that occupies space and has mass is called A. an electron. B. livin g. C. matte r. D. energy . E. space . 2. The electrons of an atom are A. always equal to the number of neutrons in an atom. B. found in the nucleus. C. used to determine atomic number. D. positively charged. E. moving in pathways called orbitals. 3. All of the following pertain to the atom 146c except it(s) A. has 6 proto...

1. All of the food that we eat, liquids that we drink and medications that we take are A. chemical s. B. vitamin s. C. protein s. D. nucleic acids. E. carbohydrat es. 2. Understanding is essential for understanding anatomy and physiology because body structures and functions result from chemical changes. 3. Chemistry is the branch of science that deals with the composition of matter. True False 4. Which of the following substances is not an element? A. Iro n B. Oxyge n C....