BIOLOGY EXAM- Q&A- LATEST VERSION-
The smallest basic unit of matter is the - ANSWER-Atom Which of the following is formed when an atom gains or loses electrons - ANSWER-Ion Atoms in molecules share pairs of electrons when they make - ANSWER-Covalent bonds What gives water many properties that are important to living things - ANSWER-Hydrogen bonds Which of the following solutions has the highest H ion concentration - ANSWER-A solution with a PH of 1 What is unique about carbon - ANSWER-Bonding properties The four main types of carbon based molecules in organisms are carbohydrates, lipids, Nucleic acids, and - ANSWER-Proteins Both animal fats and plant oils are made up of glycerol And - ANSWER-Fatty acids Substances are changed into different substances when bonds break and form during - ANSWER-Chemical reactions Chemical reactions that absorb more energy than they release are called - ANSWER-Endothermic The activation energy needed for a chemical reaction is decreases by a - ANSWER-Catalyst Which aspect of a chemical reaction is affected by enzymes - ANSWER-Rate Which phrase best describes an atom - ANSWER-Smallest basic unit of matter How do ions form - ANSWER-Atoms gain or lose electrons How are atoms held together in molecules - ANSWER-They forms covalent bonds Which property if water is the result of hydrogen bonds - ANSWER-High specific heat
Document information
- Uploaded on
- September 2, 2023
- Number of pages
- 6
- Written in
- 2023/2024
- Type
- Exam (elaborations)
- Contains
- Questions & answers
