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Questions in science

[Sagot para sa’yo] kahalagahan ng electro magnetic wavews

[Sagot para sa’yo] Estrogen is produced in testes. true or false​

[Sagot para sa’yo] how do prokaryotic and eukaryotic cells contribute to the functionality of life on earth​?

[Sagot para sa’yo] Exercises identify the group, period, and type (metal, nonmetal, or metalloid) of the Using the periodic table provided at the end of Lesson 4 of this book, elements below. Draw also the electron dot structure of each element. Element Group Period Type LEDS Aluminum Bromine Magnesium​

[Sagot para sa’yo] Identify the relationship among the given terms in each number then write a concept that explains the said relationship in the blank provided. 1. Plants, piña, clothing materials 2. Sunlight, Water, carbon dioxide 3. Medicinal plants, guava leaves, cleaning wounds 4. Roses, stems, wear gloves

[Sagot para sa’yo] Is homogenous and heterogenous are important?why?​

[Sagot para sa’yo] H. POSTTEST Choose and encircle the letter of the correct answer. 1. Hydrogen gas (H2) and oxygen gas (02) are called diatomic molecules. All these types of molecules belong to what type of covalent bond? A. covalent C. polar B. ionic 2. Which of the following types of bonds will have a high electrical conductivity? D. non-polar A. covalent bond C. non-polar covalent bond B. ionic bond D. polar covalent bond 3. In covalent bonding, electrons are shared between atoms or elements to attain stability. What do you call the particle/substance produced with covalent bond? A. atom B. molecule C. compound D. ion 4. Which of the following physical properties is TRUE to an ionic compound? A. low melting point B. low boiling point C. poor conductor D. high melting point 5. The following compounds are commonly found in nature or in our household. Which of the following will have the highest melting temperature? A. sucrose (sugar) chloride (NaCl) B. dihydrogen monoxide (water) C. oxygen gas) D. sodium 6. Non-polar covalent bonding involves the equal sharing of electrons between atoms to attain stability. Which of the following compounds has a non-polar covalent bond? A. HCI B. CHA C. O₂ D. NaCl 7. Which is TRUE to a compound with polar covalent bond? A. electron is transferred B. electron is shared unequally C. electron is shared equally D. electron is removed in an atom 8. What happens to the electron of metal element in ionic bonding forming a compound? A. shared to a non-metal C. shared unequally with non-metal B. transferred to non-metal D. transferred to another metal 9. What is the main goal of an element to bond with other elements and form a compound? A. to be reactive C. to be stable B. to be highly unstable D. to be unstable and stable 10. Which is the main reason why electron(s) of metal element tend(s) to transfer completely to non- metal element? A. metals have higher melting point B. non-metals have low melting point C. metals have higher electronegativity value D. metals have lower electronegativity value​

[Sagot para sa’yo] Answer the following question: 1. Sabtan, Gumamela, and rose can be grouped together. What characteristic is common with these three? 2. what do we get from plants? Choose one plants you know and lost down the things you get from each part. 3. Why should we preserve our forests? What is their importance? 4. What would you do if you have touched a poison ivy? Discuss briefly.

[Sagot para sa’yo] why it is not advisable to use direct sunlight as a light source to view objects under the microscope will it permanently damage the eyes​

[Sagot para sa’yo] what do the unitary system do?​