Non metals Study guides, Class notes & Summaries

If the total resistance in the above circuit is 571 ohms, what is the total current? Answer - 21 milliamps What type of fire extinguisher would you use for fire where there metals such as or titanium? Answer - Class D What type of detector would be best suited for the large public areas of multi-story indoor shopping mall with high ceilings? Answer - Projected beam Record keeping requirements include Select all that apply Answer - The records must be permanent. The owner shall be requi...

Technology Education Certification Practice Questions Raw extraction and harvesting are examples of what? - Preprocessing In the management and planning of preprocessing there are five steps. What are they? - Design, forecasting, processing planning, select & sequence operations What part of the processing has a purpose that is to minimise production time and costs, efficiently organise the use of resources and maximise efficiency in the workplace? - Production Planning What is...

chemical bond CORRECT ANSWER the force that holds two atoms together Atoms gain stability when CORRECT ANSWER they share electrons and form covalent bonds. The stability of an atom, ion or compound is related to its energy: CORRECT ANSWER lower energy states are more stable Metals and nonmetals gain stability by CORRECT ANSWER transferring electrons (gaining or losing) to form ions that have stable noble-gas electron configurations. Another way atoms can gain stability is CORRECT ANS...

BTEC Applied Science Unit 1 Chemistry - Distinction. How many electrons can an s subshell hold? correct answer2 How many electrons can a p subshell hold? correct answer6 How many electrons can a d subshell hold? correct answer10 Which subshells are available in the first energy level? correct answers Which subshells are available in the second energy level? correct answers and p Which subshells are available in the third energy level? correct answers, p and d What is Hund's rule? correct ...

Chapter 1: Structure and Bonding 1. What is the ground-state electronic configuration of a carbon atom? A) 1s2 , 2s2 , 2p5 B) 1s2 , 2s2 , 2p2 C) 1s2 , 2s2 , 2p6 D) 1s2 , 2s2 , 2p4 2. What is the ground-state electronic configuration of a fluorine atom? A) 1s2 , 2s2 , 2p2 B) 1s2 , 2s2 , 2p3 C) 1s2 , 2s2 , 2p4 D) 1s2 , 2s2 , 2p5 3. What is the ground-state electronic configuration of a magnesium cation (Mg2+)? A) 1s2 , 2s2 , 2p6 C) 1s2 , 2s2 , 2p6 , 3s2 B) 1s2 , 2s2 ,...

CHEM 210 Exam 2 Questions and Answers, Exam Prep. With complete solution. Ionic bonds Electron transfer from metal to non-metal, forming a bond Covalent bonds Electron sharing between non-metals, forming a bond Ion Charged particle Cation positive ion Anion negative ion wave particle duality

Fire, Smoke and Dangerous Goods Topic 7 with Complete Solutions Chemistry and Classes of Fire Oxygen+Fuel+Heat > Removing oxygen - smother > Removing fuel - starve > Removing heat - Cool A - Solid materials > Wood/paper/fabrics B - Flammable liquid > Fuel/alcohol C - Flammable gasses > Butane gas D - Combustible metals > Magnesium E - Live electrical equipment > Oven/water boilers Devastating Consequenses Flash over - Sudden transfer of heat from a local fi...

Science Bowl Practice Questions with Verified Solutions Math; Multiple Choice: If the determinant of a matix is zero, the matix is said to be W.) an Eigen-matrix X.) singular Y.) invertible Z.) Gaussian X.) singular Math; Multiple Choice: Matrix multiplication differs from scalar multiplication in that matrix multiplication is not W.) commutative X.) associative Y.) distributed over addition Z.) well-defined W.) commutative Physics; Multiple Choice: materials that transmit s...

The texture of an aluminum-soap lubricating grease is _________ - Answer-Stringy The property of a lubricant the allows it to adhere to metallic surfaces is known as ________ - AnswerOiliness The physical appearance of a grease with a consistency number of four is MOST NEARLY _________ - Answer-Hard The one of the following measures that is commonly used to represent a rate of oil feed is drops per ________ - Answer-Minute The MOST important single property of a lubricating oil is its ____...

Semmelweis Entrance Exam Questions and Answers Already Passed Electron configuration for cations Subtract 1 from exponent of highest n-value orbital (ex. remove from 4s before 3d) Ag+ = [Kr]5s^1 4d^9 Electron configuration for anions Add 1 to closest orbital Cl- = [Ne]3s^2 3p^6 Atomic orbitals s, p, d, f Primary vs secondary structures of proteins Primary - AA chain (linked by peptide bonds) Secondary - stabilized by non-covalent bonds (alpha helices & beta sheets) Mo...